diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
index ed88480f283a5d9c1401dd4964ec35fab3d2c517..058f94b72816ce8731af3c647cf3873fafa94e49 100755
--- a/python/google/protobuf/__init__.py
+++ b/python/google/protobuf/__init__.py
@@ -30,4 +30,4 @@
 
 # Copyright 2007 Google Inc. All Rights Reserved.
 
-__version__ = '3.0.0a4'
+__version__ = '3.0.0b1.1'