diff --git a/CHANGES.rst b/CHANGES.rst
index cf053fa..d5f0c87 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,8 @@
 Changelog for Isso
 ==================
 
-0.2.1 (2013-10-30)
-------------------
+0.3 (unreleased)
+----------------
 
 - Nothing changed yet.
 
diff --git a/setup.py b/setup.py
index 84f285a..7d10554 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@ if sys.version_info < (3, 0):
 
 setup(
     name='isso',
-    version='0.2.1',
+    version='0.3.dev0',
     author='Martin Zimmermann',
     author_email='info@posativ.org',
     packages=find_packages(),