diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f4cc1f..7af2390 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to
 
 ## [Unreleased]
 
+## [0.4.0] - 2024-08-08
+
 - Add null check before calling `project_evaluated` in the `evaluate` method to
   prevent errors when no models are found. (#64)
 - Add JSON formatter for machine-readable output. (#68)