diff --git a/CHANGES.rst b/CHANGES.rst
index be8427c..0f9bb20 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@ Changelog
 =========
 
 
+1.3.3 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 1.3.2 (2024-12-12)
 ------------------
 
diff --git a/setup.py b/setup.py
index 51223c9..cee5ec5 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 
 setup(
     name="collective.volto.dropdownmenu",
-    version="1.3.2",
+    version="1.3.3.dev0",
     description="Add-on for Volto to manage a dropdown menu.",
     long_description=long_description,
     # Get more from https://pypi.org/classifiers/