diff --git a/HISTORY.rst b/HISTORY.rst
index 3020207..5e69297 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -6,6 +6,12 @@ History
 
 
 
+2.4 (unreleased)
+++++++++++++++++
+
+- Nothing changed yet.
+
+
 2.3 (2022-06-13)
 ++++++++++++++++
 
diff --git a/setup.py b/setup.py
index e337456..33722ea 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='django-cid',
-    version='2.3',
+    version='2.4.dev0',
     description="""Correlation IDs in Django for debugging requests""",
     long_description=readme,
     author='Snowball One',