diff --git a/CHANGELOG.md b/CHANGELOG.md
index c387bc318..e0ca6da50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [0.4.0] - 2025-04-09
+
 ### BREAKING CHANGES
 
 - **BREAKING:** Renamed GraphQL mutations for control-mitigation mappings: