diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32c3bd2e..89152688 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Next
+## 1.2.1
 - [fix] [UuidGenerator] added quantity validation rules
 - [refactor] better isInt checker