diff --git a/CHANGES.rst b/CHANGES.rst
index 78e0418..674cef5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,12 @@
 Changelog
 =========
 
+5.0.3 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 5.0.2 (2022-11-19)
 ------------------
 
diff --git a/setup.py b/setup.py
index df5a1b5..af96368 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@ def read_file(filename):
 
 setup(
     name='flake8-isort',
-    version='5.0.2',
+    version='5.0.3.dev0',
     description=short_description,
     long_description=long_description,
     # Get more from https://pypi.org/classifiers/