diff --git a/CHANGES.rst b/CHANGES.rst
index a04e6b61..3f614a5d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@ Changelog
 =========
 
 
+1.13 (unreleased)
+-----------------
+
+- Nothing changed yet.
+
+
 1.12 (2024-03-08)
 -----------------
 
diff --git a/setup.py b/setup.py
index 4d9be592..7c781dcf 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@
 
 setup(
     name="collective.exportimport",
-    version="1.12",
+    version="1.13.dev0",
     description="An add-on for Plone to Export and import content, members, relations, translations and localroles.",
     long_description=long_description,
     # Get more from https://pypi.org/classifiers/