diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c85fade03..762f32bbf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 3.9.1 / 2026-04-23
+
+* [BUGFIX] Cache reflection lookups in `LayoutNodeUtils`. See [#3381](https://github.com/DataDog/dd-sdk-android/pull/3381)
+* [IMPROVEMENT] Add `fed2` endpoint to `DatadogSite`. See [#3391](https://github.com/DataDog/dd-sdk-android/pull/3391)
+
 # 3.9.0 / 2026-04-16
 
 * [FEATURE] Track GraphQL errors. See [#3275](https://github.com/DataDog/dd-sdk-android/pull/3275)
diff --git a/buildSrc/src/main/kotlin/com/datadog/gradle/config/AndroidConfig.kt b/buildSrc/src/main/kotlin/com/datadog/gradle/config/AndroidConfig.kt
index 0c37db2e6a..24bece9590 100644
--- a/buildSrc/src/main/kotlin/com/datadog/gradle/config/AndroidConfig.kt
+++ b/buildSrc/src/main/kotlin/com/datadog/gradle/config/AndroidConfig.kt
@@ -19,7 +19,7 @@ object AndroidConfig {
     const val MIN_SDK_FOR_AUTO = 29
     const val BUILD_TOOLS_VERSION = "36.0.0"
 
-    val VERSION = Version(3, 9, 0, Version.Type.Release)
+    val VERSION = Version(3, 9, 1, Version.Type.Release)
 }
 
 // TODO RUM-628 Switch to Java 17 bytecode