diff --git a/CHANGES.rst b/CHANGES.rst
index 7f76191..d217a98 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changes
 =======
 
+1.3 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 1.2.1 (2012-05-15)
 ------------------
 
diff --git a/setup.py b/setup.py
index 2b2265c..d61e70f 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 from setuptools import setup, find_packages
 
-version = '1.2.1'
+version = '1.3.dev0'
 
 
 def read_file(name):