diff --git a/CHANGES.rst b/CHANGES.rst
index 37532ec..f9f3b6e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,12 @@ CHANGELOG
 =========
 
 
+4.2.9 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 4.2.8 (2024-10-09)
 ------------------
 
diff --git a/setup.py b/setup.py
index 83c9f95..d01b2b8 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ def read(fname):
 
 setup(
     name="shoobx.mocks3",
-    version='4.2.8',
+    version='4.2.9.dev0',
     author="Shoobx, Inc.",
     author_email="dev@shoobx.com",
     description="Shoobx Mock S3 Implementation",