diff --git a/.cz.yaml b/.cz.yaml
index d9d4762f..268b62f6 100644
--- a/.cz.yaml
+++ b/.cz.yaml
@@ -4,7 +4,7 @@ commitizen:
   name: cz_conventional_commits
   tag_format: $major.$minor.$patch$prerelease
   update_changelog_on_bump: true
-  version: 0.12.13
+  version: 0.12.14
   version_files:
   - setup.py:version
   - ost/__init__.py:__version__
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3afacbd4..9bff1a6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 
+## 0.12.14 (2021-12-17)
+
+### Fix
+
+- document contributing
+
 ## 0.12.13 (2021-12-17)
 
 ### Fix