diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9cff36..c89fd0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Yii CSRF Protection Library Change Log
 
+## 2.2.1 under development
+
+- no changes in this release.
+
 ## 2.2.0 November 14, 2024
 
 - New #68: Add the `CsrfHeaderMiddleware` middleware to use custom HTTP header to prevent forgery of requests (@olegbaturin)