diff --git a/CHANGES.txt b/CHANGES.txt
index c847658..06f78ab 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+2.2.6 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.2.5 (2013-04-06)
 ------------------
 
diff --git a/setup.py b/setup.py
index ab283c5..5f005fb 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '2.2.5'
+version = '2.2.6.dev0'
 
 install_requires = [
     'setuptools',