diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21dcd80..f8d335d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,19 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [Unreleased](https://github.com/ttypic/swift-klib-plugin/tree/HEAD)
+
+## 0.4.0 2023-10-08
+
+[Full Changelog](https://github.com/ttypic/swift-klib-plugin/compare/v0.3.0...v0.4.0)
+
+**Closed issues:**
+
+- Invalid Manifest \(xCode 15\) [\#11](https://github.com/ttypic/swift-klib-plugin/issues/11)
+
+**Merged pull requests:**
+
+- Workaround for wrong SDK in build process for Xcode15 [\#13](https://github.com/ttypic/swift-klib-plugin/pull/13) ([davidtaylor-juul](https://github.com/davidtaylor-juul))
 
 ## 0.3.0 2023-06-25
 
diff --git a/README.md b/README.md
index 63a4f6e..2d779b6 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Using the [plugins DSL](https://docs.gradle.org/current/userguide/plugins.html#s
 
 ```kotlin
 plugins {
-    id("io.github.ttypic.swiftklib") version "0.3.0"
+    id("io.github.ttypic.swiftklib") version "0.4.0"
 }
 ```
 
diff --git a/examples/file-hasher/shared/build.gradle.kts b/examples/file-hasher/shared/build.gradle.kts
index 80cc40f..71fc495 100644
--- a/examples/file-hasher/shared/build.gradle.kts
+++ b/examples/file-hasher/shared/build.gradle.kts
@@ -1,7 +1,7 @@
 plugins {
     kotlin("multiplatform")
     id("com.android.library")
-    id("io.github.ttypic.swiftklib") version "0.3.0"
+    id("io.github.ttypic.swiftklib") version "0.4.0"
 }
 
 kotlin {
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index df08ae4..764971f 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -9,7 +9,7 @@ dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.22")
 }
 
-version = "0.4.0-SNAPSHOT"
+version = "0.4.0"
 group = "io.github.ttypic"
 
 kotlin {