diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 68dfb801..c0d78f86 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 Changelog
 ---------
 
+*unreleased*
+~~~~~~~~~~~~
+
+No unreleased changes.
+
 24.0 - 2024-03-10
 ~~~~~~~~~~~~~~~~~
 
diff --git a/src/packaging/__init__.py b/src/packaging/__init__.py
index e7c0aa12..658836a9 100644
--- a/src/packaging/__init__.py
+++ b/src/packaging/__init__.py
@@ -6,7 +6,7 @@
 __summary__ = "Core utilities for Python packages"
 __uri__ = "https://github.com/pypa/packaging"
 
-__version__ = "24.0"
+__version__ = "24.1.dev0"
 
 __author__ = "Donald Stufft and individual contributors"
 __email__ = "donald@stufft.io"