diff --git a/CHANGES.rst b/CHANGES.rst
index 342a020..a673619 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,7 +1,13 @@
 Products.CMFUid Changelog
 =========================
 
-4.2 (unreleased)
+4.3 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
+4.2 (2024-01-23)
 ----------------
 
 - Fix ``DeprecationWarning``: import ``IObjectAddedEvent`` from ``zope.lifecycleevent``.
diff --git a/setup.py b/setup.py
index 942feaa..36e029d 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ def _read(name):
 
 setup(
     name='Products.%s' % NAME,
-    version='4.2.dev0',
+    version='4.3.dev0',
     description='Uid product for the Zope Content Management Framework',
     long_description=README,
     classifiers=[