diff --git a/CHANGES.txt b/CHANGES.txt
index b9479eec840e5b2e38345b16d8e8129374e7c810..794f6d837067ce5ff9dcb86ac6b715f7ba50c14b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,11 @@
 Changes
 =======
 
+0.22 (unreleased)
+-----------------
+
+ * No changes yet.
+
 0.21 (2011-12-23)
 -----------------
 
diff --git a/setup.py b/setup.py
index 1ffbbe6f46c7a473bd8d74cdd0ccfc3a301e98db..9691418f3ec7c9f5e2417f64a78fe27b9cbc46d1 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 import glob
 import os
 
-version = '0.21'
+version = '0.22-dev'
 name = 'slapos.core'
 long_description = open("README.txt").read() + "\n" + \
     open("CHANGES.txt").read() + "\n"