diff --git a/flutter_ci_script_master.sh b/flutter_ci_script_master.sh
index 80e3bae89f..9f444e55bb 100755
--- a/flutter_ci_script_master.sh
+++ b/flutter_ci_script_master.sh
@@ -26,8 +26,7 @@ declare -a CODELABS=(
   "haiku_generator"
   "homescreen_codelab"
   "in_app_purchases"
-  # TODO(DomesticMouse): Figure out how to run `flutter test`
-  # "intro_flutter_gpu"
+  "intro_flutter_gpu"
   "namer"
   "next-gen-ui"
   "testing_codelab"
diff --git a/intro_flutter_gpu/step_01/android/build.gradle.kts b/intro_flutter_gpu/step_01/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_01/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_01/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_01/android/settings.gradle.kts b/intro_flutter_gpu/step_01/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_01/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_01/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_01/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_01/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_01/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_01/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_01/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_01/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_01/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_01/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_01/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_01/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_01/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_01/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_01/pubspec.yaml b/intro_flutter_gpu/step_01/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_01/pubspec.yaml
+++ b/intro_flutter_gpu/step_01/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_02/android/build.gradle.kts b/intro_flutter_gpu/step_02/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_02/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_02/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_02/android/settings.gradle.kts b/intro_flutter_gpu/step_02/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_02/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_02/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_02/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_02/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_02/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_02/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_02/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_02/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_02/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_02/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_02/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_02/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_02/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_02/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_02/pubspec.yaml b/intro_flutter_gpu/step_02/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_02/pubspec.yaml
+++ b/intro_flutter_gpu/step_02/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_03/android/build.gradle.kts b/intro_flutter_gpu/step_03/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_03/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_03/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_03/android/settings.gradle.kts b/intro_flutter_gpu/step_03/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_03/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_03/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_03/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_03/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_03/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_03/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_03/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_03/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_03/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_03/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_03/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_03/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_03/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_03/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_03/pubspec.yaml b/intro_flutter_gpu/step_03/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_03/pubspec.yaml
+++ b/intro_flutter_gpu/step_03/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_04/android/build.gradle.kts b/intro_flutter_gpu/step_04/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_04/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_04/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_04/android/settings.gradle.kts b/intro_flutter_gpu/step_04/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_04/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_04/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_04/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_04/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_04/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_04/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_04/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_04/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_04/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_04/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_04/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_04/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_04/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_04/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_04/pubspec.yaml b/intro_flutter_gpu/step_04/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_04/pubspec.yaml
+++ b/intro_flutter_gpu/step_04/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_05/android/build.gradle.kts b/intro_flutter_gpu/step_05/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_05/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_05/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_05/android/settings.gradle.kts b/intro_flutter_gpu/step_05/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_05/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_05/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_05/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_05/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_05/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_05/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_05/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_05/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_05/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_05/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_05/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_05/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_05/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_05/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_05/pubspec.yaml b/intro_flutter_gpu/step_05/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_05/pubspec.yaml
+++ b/intro_flutter_gpu/step_05/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_06/android/build.gradle.kts b/intro_flutter_gpu/step_06/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_06/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_06/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_06/android/settings.gradle.kts b/intro_flutter_gpu/step_06/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_06/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_06/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_06/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_06/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_06/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_06/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_06/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_06/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_06/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_06/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_06/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_06/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_06/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_06/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_06/pubspec.yaml b/intro_flutter_gpu/step_06/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_06/pubspec.yaml
+++ b/intro_flutter_gpu/step_06/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_07/android/build.gradle.kts b/intro_flutter_gpu/step_07/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_07/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_07/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_07/android/settings.gradle.kts b/intro_flutter_gpu/step_07/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_07/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_07/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_07/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_07/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_07/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_07/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_07/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_07/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_07/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_07/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_07/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_07/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_07/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_07/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_07/pubspec.yaml b/intro_flutter_gpu/step_07/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_07/pubspec.yaml
+++ b/intro_flutter_gpu/step_07/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_08/android/build.gradle.kts b/intro_flutter_gpu/step_08/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_08/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_08/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_08/android/settings.gradle.kts b/intro_flutter_gpu/step_08/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_08/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_08/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_08/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_08/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_08/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_08/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_08/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_08/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_08/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_08/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_08/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_08/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_08/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_08/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_08/pubspec.yaml b/intro_flutter_gpu/step_08/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_08/pubspec.yaml
+++ b/intro_flutter_gpu/step_08/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_09/android/build.gradle.kts b/intro_flutter_gpu/step_09/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_09/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_09/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_09/android/settings.gradle.kts b/intro_flutter_gpu/step_09/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_09/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_09/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_09/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_09/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_09/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_09/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_09/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_09/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_09/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_09/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_09/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_09/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_09/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_09/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_09/pubspec.yaml b/intro_flutter_gpu/step_09/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_09/pubspec.yaml
+++ b/intro_flutter_gpu/step_09/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_10/android/build.gradle.kts b/intro_flutter_gpu/step_10/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_10/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_10/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_10/android/settings.gradle.kts b/intro_flutter_gpu/step_10/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_10/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_10/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_10/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_10/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_10/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_10/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_10/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_10/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_10/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_10/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_10/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_10/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_10/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_10/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_10/pubspec.yaml b/intro_flutter_gpu/step_10/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_10/pubspec.yaml
+++ b/intro_flutter_gpu/step_10/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_11/android/build.gradle.kts b/intro_flutter_gpu/step_11/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_11/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_11/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_11/android/settings.gradle.kts b/intro_flutter_gpu/step_11/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_11/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_11/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_11/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_11/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_11/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_11/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_11/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_11/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_11/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_11/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_11/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_11/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_11/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_11/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_11/pubspec.yaml b/intro_flutter_gpu/step_11/pubspec.yaml
index c6a0a2ada2..4345e47513 100644
--- a/intro_flutter_gpu/step_11/pubspec.yaml
+++ b/intro_flutter_gpu/step_11/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/intro_flutter_gpu/step_12/android/build.gradle.kts b/intro_flutter_gpu/step_12/android/build.gradle.kts
index 89176ef44e..dbee657bb5 100644
--- a/intro_flutter_gpu/step_12/android/build.gradle.kts
+++ b/intro_flutter_gpu/step_12/android/build.gradle.kts
@@ -5,7 +5,10 @@ allprojects {
     }
 }
 
-val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 
 subprojects {
diff --git a/intro_flutter_gpu/step_12/android/settings.gradle.kts b/intro_flutter_gpu/step_12/android/settings.gradle.kts
index ab39a10a29..fb605bc840 100644
--- a/intro_flutter_gpu/step_12/android/settings.gradle.kts
+++ b/intro_flutter_gpu/step_12/android/settings.gradle.kts
@@ -1,11 +1,12 @@
 pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
 
     includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
@@ -18,7 +19,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
+    id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
 }
 
diff --git a/intro_flutter_gpu/step_12/ios/Flutter/AppFrameworkInfo.plist b/intro_flutter_gpu/step_12/ios/Flutter/AppFrameworkInfo.plist
index 7c56964006..1dc6cf7652 100644
--- a/intro_flutter_gpu/step_12/ios/Flutter/AppFrameworkInfo.plist
+++ b/intro_flutter_gpu/step_12/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/intro_flutter_gpu/step_12/ios/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_12/ios/Runner.xcodeproj/project.pbxproj
index ad32bb23d8..551258a9bb 100644
--- a/intro_flutter_gpu/step_12/ios/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_12/ios/Runner.xcodeproj/project.pbxproj
@@ -346,7 +346,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -523,7 +523,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
diff --git a/intro_flutter_gpu/step_12/macos/Runner.xcodeproj/project.pbxproj b/intro_flutter_gpu/step_12/macos/Runner.xcodeproj/project.pbxproj
index 020e14fe6c..330cf16128 100644
--- a/intro_flutter_gpu/step_12/macos/Runner.xcodeproj/project.pbxproj
+++ b/intro_flutter_gpu/step_12/macos/Runner.xcodeproj/project.pbxproj
@@ -461,7 +461,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -593,7 +593,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/intro_flutter_gpu/step_12/pubspec.yaml b/intro_flutter_gpu/step_12/pubspec.yaml
index 34b676a24c..e5cbd407a7 100644
--- a/intro_flutter_gpu/step_12/pubspec.yaml
+++ b/intro_flutter_gpu/step_12/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter: