diff --git a/CHANGES.txt b/CHANGES.txt
index e38d1b4..8108f93 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,9 @@
+0.4.2 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 0.4.1 (2011-07-01)
 ------------------
 
diff --git a/setup.py b/setup.py
index 06d7af3..9a16c5e 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ CHANGES = open(os.path.join(here, 'CHANGES.txt')).read()
 requires = ['pyramid>=1.0', 'WebError', 'FormAlchemy>=1.3.8', 'Babel']
 
 setup(name='pyramid_formalchemy',
-      version='0.4.1',
+      version='0.4.2dev',
       description='FormAlchemy plugins and helpers for Pyramid',
       long_description=README + '\n\nCHANGES\n=======\n\n' +  CHANGES,
       classifiers=[