diff --git a/setup.py b/setup.py
index 8046e39..808559b 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ def read(*rnames):
     return open(os.path.join(os.path.dirname(__file__), *rnames)).read()
 
 
-version = "1.2.2.dev0"
+version = "2.0.0.dev0"
 
 description = "Registry for application settings (like debconf/ about:config)"
 long_description = (