diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad3ebd45b..64bfb5d67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+
 ## 9.0.0 - *2020-11-27*
 
 - resolved cookstyle error: libraries/helpers.rb:201:9 convention: `Style/CommentAnnotation`