diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46d403dd4..d2fa876c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # elasticsearch Cookbook Changelog
 
+## Unreleased
+
 ## 5.1.6 - *2023-09-28*
 
 ## 5.1.5 - *2023-09-04*