diff --git a/gunicorn/__init__.py b/gunicorn/__init__.py
index 3264331a..cb90e31f 100644
--- a/gunicorn/__init__.py
+++ b/gunicorn/__init__.py
@@ -3,6 +3,6 @@
 # This file is part of gunicorn released under the MIT license. 
 # See the NOTICE for more information.
 
-version_info = (0, 12, 2)
+version_info = (0, 13, 0)
 __version__ = ".".join(map(str, version_info))
 SERVER_SOFTWARE = "gunicorn/%s" % __version__