diff --git a/CHANGELOG.md b/CHANGELOG.md
index 420d4b5112295eec4b3485203a6f2e4be246624a..78608dd944b4c5b79762548e1a55f32e754d248a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.4.0] - 2021-10-28
 
 ### Added (for new features, dependecies etc.)