diff --git a/common/version.py b/common/version.py
index 5dc2cc88..cffb9a12 100644
--- a/common/version.py
+++ b/common/version.py
@@ -24,4 +24,4 @@ __author__ = "Cyril Jaquier, Yaroslav Halchenko"
 __copyright__ = "Copyright (c) 2004 Cyril Jaquier, 2011-2013 Yaroslav Halchenko"
 __license__ = "GPL"
 
-version = "0.8.13"
+version = "0.8.13.dev"