diff --git a/CHANGELOG.md b/CHANGELOG.md
index 953aa82..0692808 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,18 @@
 # Changelog
 
 
+## v1.2.1
+
+[compare changes](https://github.com/orimay/mutex-ts/compare/v1.2.0...v1.2.1)
+
+### 📖 Documentation
+
+- Readme update ([8174703](https://github.com/orimay/mutex-ts/commit/8174703))
+
+### ❤️ Contributors
+
+- Dmitrii Baranov <dmitrii.a.baranov@gmail.com>
+
 ## v1.2.0
 
 
diff --git a/package.json b/package.json
index 832fc04..ba560e2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mutex-ts",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "This package provides two classes for managing locks: `Mutex` and `MutexRW`. These locks can be used to control access to critical sections in a multi-threaded or asynchronous environment.",
   "author": "Dmitrii Baranov <dmitrii.a.baranov@gmail.com>",
   "license": "MIT",