diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b55c11f..d0ab664 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.1.1"
+  ".": "1.2.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fb1ef4..ffadac7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.0](https://github.com/krystal/metricks/compare/v1.1.1...v1.2.0) (2024-12-17)
+
+
+### Features
+
+* allow custom locking mechanism ([052d2ad](https://github.com/krystal/metricks/commit/052d2ad4428e7ec8fb9f1793b55e8cfc5f4e60bc))
+
 ## [1.1.1](https://github.com/krystal/metricks/compare/v1.1.0...v1.1.1) (2024-05-01)
 
 
diff --git a/lib/metricks/version.rb b/lib/metricks/version.rb
index 47e585f..b5b522f 100644
--- a/lib/metricks/version.rb
+++ b/lib/metricks/version.rb
@@ -1,3 +1,3 @@
 module Metricks
-  VERSION = '1.1.1'.freeze
+  VERSION = '1.2.0'.freeze
 end