diff --git a/CHANGES.rst b/CHANGES.rst
index 3ef6b9c..f3864a5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+2.3.3 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.3.2 (2014-04-05)
 ------------------
 
diff --git a/setup.py b/setup.py
index 6e5c6ca..f3106be 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '2.3.2'
+version = '2.3.3.dev0'
 
 install_requires = [
     'setuptools',