diff --git a/CHANGES.rst b/CHANGES.rst
index e657988..e2fc97a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+2.4.6 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.4.5 (2015-09-11)
 ------------------
 
diff --git a/setup.py b/setup.py
index 5c767dd..e26b98c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '2.4.5'
+version = '2.4.6.dev0'
 
 install_requires = [
     'setuptools',