diff --git a/CHANGES.md b/CHANGES.md
index b14f72d..8816d0b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,12 @@
 # Changelog
 
 
+## 1.0.0a5 (unreleased)
+
+
+- Nothing changed yet.
+
+
 ## 1.0.0a4 (2024-12-18)
 
 
diff --git a/setup.py b/setup.py
index 1e60297..0b1723b 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 setup(
     name="collective.pdbpp",
-    version="1.0.0a4",
+    version="1.0.0a5.dev0",
     description="An addon for Plone that allow you debug your code using the pdbpp package",
     long_description=long_description,
     long_description_content_type="text/markdown",