diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7d0b96567..2af38096af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 
+## v2.18.2 (2021-09-27)
+
+### Fix
+
+- **cli**: handle argparse different behavior after python 3.9
+
 ## v2.18.1 (2021-09-12)
 
 ### Fix
diff --git a/commitizen/__version__.py b/commitizen/__version__.py
index 68a0e5125c..855930a227 100644
--- a/commitizen/__version__.py
+++ b/commitizen/__version__.py
@@ -1 +1 @@
-__version__ = "2.18.1"
+__version__ = "2.18.2"
diff --git a/pyproject.toml b/pyproject.toml
index 77b882f622..2639e487c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.commitizen]
-version = "2.18.1"
+version = "2.18.2"
 tag_format = "v$version"
 version_files = [
   "pyproject.toml:version",
@@ -29,7 +29,7 @@ exclude = '''
 
 [tool.poetry]
 name = "commitizen"
-version = "2.18.1"
+version = "2.18.2"
 description = "Python commitizen client tool"
 authors = ["Santiago Fraire <santiwilly@gmail.com>"]
 license = "MIT"