diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9f720d5..c847cb48 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.4.0
 
 ### Dependencies
 
@@ -11,7 +11,7 @@
     - [changelog](https://github.com/getsentry/sentry-cocoa/blob/main/CHANGELOG.md#8172)
     - [diff](https://github.com/getsentry/sentry-cocoa/compare/8.4.0...8.17.2)
 - Bump Kotlin version from v1.8.0 to v1.9.21 ([#146](https://github.com/getsentry/sentry-kotlin-multiplatform/pull/146)
-  
+
 ## 0.3.0
 
 ### Features
diff --git a/gradle.properties b/gradle.properties
index 86a23332..01cacd3b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@ compose.version=1.3.1-rc01
 jvm.version=1.8
 
 # Release information
-versionName=0.3.0
+versionName=0.4.0
 
 # Increase memory for in-process compiler execution.
 org.gradle.jvmargs=-Xmx6g