diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index cade58d..51915e2 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 Changes
 =======
 
+0.13.3 - 2022-12-19
+-------------------
+
+* Require flake8 5.0.0 or later.
+
 0.13.2 - 2022-08-19
 -------------------
 
diff --git a/src/pep8ext_naming.py b/src/pep8ext_naming.py
index 9fcf792..05b24c8 100644
--- a/src/pep8ext_naming.py
+++ b/src/pep8ext_naming.py
@@ -9,7 +9,7 @@
 
 from flake8 import style_guide
 
-__version__ = '0.13.2'
+__version__ = '0.13.3'
 
 PYTHON_VERSION = sys.version_info[:3]