diff --git a/CHANGELOG.md b/CHANGELOG.md
index b40cfc8..8156acd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ 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/).
 
-## Unreleased
+## v0.4.0
 ### Added
 - User can drop preset instruments into `os.UserConfigDir()/sointu/presets/` and
   they appear in the list of presets next time sointu is started.
@@ -151,7 +151,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - a command line utility to convert .yml songs to .asm
   - a command line utility to play the songs on command line
 
-[Unreleased]: https://github.com/vsariola/sointu/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/vsariola/sointu/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/vsariola/sointu/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/vsariola/sointu/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/vsariola/sointu/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/vsariola/sointu/compare/4klang-3.11...v0.1.0