diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3cb613..2341e82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.9.0] - 2026-09-17
+
 ### Added
 
 - Add Alexa to `DeviceInformation.PlatformEnum`.
@@ -81,7 +83,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Don't remove attributes when value is set to null
 
-[unreleased]: https://github.com/mParticle/mparticle-java-events-sdk/compare/2.8.0...HEAD
+[unreleased]: https://github.com/mParticle/mparticle-java-events-sdk/compare/2.9.0...HEAD
+[2.9.0]: https://github.com/mParticle/mparticle-java-events-sdk/compare/2.8.0...2.9.0
 [2.8.0]: https://github.com/mParticle/mparticle-java-events-sdk/compare/v2.7.0...2.8.0
 [2.7.0]: https://github.com/mParticle/mparticle-java-events-sdk/compare/v2.6.0...v2.7.0
 [2.6.0]: https://github.com/mParticle/mparticle-java-events-sdk/compare/v2.5.4...v2.6.0
diff --git a/README.md b/README.md
index 4f67c9f..25f5963 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ The SDK is available via Maven Central.
 #### Gradle
 
 ```groovy
-implementation 'com.mparticle:server-events-sdk:2.8.0'
+implementation 'com.mparticle:server-events-sdk:2.9.0'
 ```
 
 #### Maven
@@ -31,7 +31,7 @@ implementation 'com.mparticle:server-events-sdk:2.8.0'
 <dependency>
   <groupId>com.mparticle</groupId>
   <artifactId>server-events-sdk</artifactId>
-  <version>2.8.0</version>
+  <version>2.9.0</version>
 </dependency>
 ```
 
diff --git a/VERSION b/VERSION
index 834f262..c8e38b6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.8.0
+2.9.0