diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2785d5..a2b51e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## NOT RELEASED
 
+## 2.4.0
+
 ### Added
 
 - AWS api-change: Added `ap-southeast-5` region