diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3f257678..1dd2498b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # elasticsearch Cookbook Changelog
 
+## Unreleased
+
 ## 5.1.8 - *2023-10-31*
 
 ## 5.1.7 - *2023-10-31*