diff --git a/CHANGELOG.md b/CHANGELOG.md
index 266696b..b2c3daa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ 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]
+## [v0.4.0] - 2023-11-19
 
 ### Added
 
@@ -19,7 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 
-## [v0.3.0] - 2023-13-05
+## [v0.3.0] - 2023-11-13
 
 ### Added
 
diff --git a/src/kspdg/version.py b/src/kspdg/version.py
index a5e6c21..cd46d98 100644
--- a/src/kspdg/version.py
+++ b/src/kspdg/version.py
@@ -5,4 +5,4 @@
 # Single-sourcing package version
 # https://packaging.python.org/guides/single-sourcing-package-version/
 
-VERSION = "0.4.0-alpha"
+VERSION = "0.4.0"