diff --git a/CHANGES.txt b/CHANGES.txt
index 5d58a30..c490b2b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.0b9 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 1.0b8 (2010-10-04)
 ------------------
 
diff --git a/setup.py b/setup.py
index 54bf54c..2cf8a40 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '1.0b8'
+version = '1.0b9dev'
 
 setup(name='plone.app.discussion',
       version=version,