diff --git a/youtube_dl/version.py b/youtube_dl/version.py
index a79664521..88d70b47a 100644
--- a/youtube_dl/version.py
+++ b/youtube_dl/version.py
@@ -1,2 +1,2 @@
 
-__version__ = '2013.09.20'
+__version__ = '2013.09.20.1'