diff --git a/CHANGES.rst b/CHANGES.rst
index 23e3728..19bed7e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,8 @@
 Changes
 =======
 
-7.0a1.dev1 (2023-09-06)
------------------------
+7.0 (unreleased)
+----------------
 
 Backwards incompatible changes
 ++++++++++++++++++++++++++++++
diff --git a/setup.py b/setup.py
index c295184..575ccdc 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def read(*rnames):
 
 setup(
     name='RestrictedPython',
-    version='7.0a1.dev1',
+    version='7.0.dev0',
     url='https://github.com/zopefoundation/RestrictedPython',
     license='ZPL 2.1',
     description=(