diff --git a/android/build.gradle b/android/build.gradle
index 082a0fea..9ef68d87 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -18,13 +18,15 @@ rootProject.allprojects {
 }
 apply plugin: 'com.android.library'
 android {
-    compileSdkVersion 30
+    namespace 'io.github.edufolly.flutterbluetoothserial'
+
+    compileSdkVersion 36
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
     defaultConfig {
-        minSdkVersion 19
+        minSdkVersion 22
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     lintOptions {