diff --git a/CHANGES.rst b/CHANGES.rst
index 87c0a90..77b70be 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,12 @@
 =========
 
 
+4.1.1 (unreleased)
+==================
+
+- Nothing changed yet.
+
+
 1.4.0 (2024-11-08)
 ==================
 
diff --git a/setup.py b/setup.py
index 81b4e3a..d91680b 100755
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ def _read(fname):
 
 setup(
     name='nti.zodb',
-    version='1.4.0',
+    version='4.1.1.dev0',
     author='Jason Madden',
     author_email='jason@nextthought.com',
     description="Utilities for ZODB",