diff --git a/CHANGES.txt b/CHANGES.txt
index a442e86..e52d79c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+1.0b4 (unreleased)
+------------------
+
+
 1.0b3 (2010-01-28)
 ------------------
 
diff --git a/setup.py b/setup.py
index 0c08952..6b6eed3 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '1.0b3'
+version = '1.0b4'
 
 setup(name='plone.app.discussion',
       version=version,