diff --git a/CHANGES.rst b/CHANGES.rst
index 2ce26d4..4624291 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.43.2 (unreleased)
+-------------------
+
+- Nothing changed yet.
+
+
 1.43.1 (2025-02-28)
 -------------------
 
diff --git a/setup.py b/setup.py
index 4ef6fc4..a02277f 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 setup(
     name='collective.contact.core',
-    version='1.43.1',
+    version='1.43.2.dev0',
     description="Core package for collective.contact add-ons",
     long_description=long_description,
     # Get more strings from