diff --git a/CHANGELOG.md b/CHANGELOG.md
index b640c414..c2bef75c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 This file is used to list changes made in each version of the nginx cookbook.
 
+## Unreleased
+
 ## 12.3.0 - *2025-04-01*
 
 - Correct trailing semicolon for blocks - [#643](https://github.com/sous-chefs/nginx/issues/643)