diff --git a/CHANGELOG.md b/CHANGELOG.md
index 19bb2e7..1d5507d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [0.4.0]
+## [0.4.0] - 2019-08-06
 - #25 Improve compatibility of CRUD stuff, but breaks the compatibility
 
 ## [0.3.3] - 2019-08-01