diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ff202757..09242e06 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.8.0"
+  ".": "5.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 813fe954..d82297f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Android SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [5.9.0](https://github.com/launchdarkly/android-client-sdk/compare/5.8.0...5.9.0) (2025-07-16)
+
+
+### Features
+
+* adds experimental plugin functionality ([#305](https://github.com/launchdarkly/android-client-sdk/issues/305)) ([2bca41b](https://github.com/launchdarkly/android-client-sdk/commit/2bca41b1ca93d35900b024a5083129b894d1017d))
+
 ## [5.8.0](https://github.com/launchdarkly/android-client-sdk/compare/5.7.0...5.8.0) (2025-05-27)
 
 
diff --git a/gradle.properties b/gradle.properties
index 142a46db..c3d24aeb 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -18,7 +18,7 @@
 # org.gradle.parallel=true
 
 #x-release-please-start-version
-version=5.8.0
+version=5.9.0
 #x-release-please-end
 
 sonatypeUsername=