diff --git a/cassandra/__init__.py b/cassandra/__init__.py
index abda1fbd..18ba1394 100644
--- a/cassandra/__init__.py
+++ b/cassandra/__init__.py
@@ -23,7 +23,7 @@ class NullHandler(logging.Handler):
 logging.getLogger('cassandra').addHandler(NullHandler())
 
 
-__version_info__ = (3, 1, '0a1')
+__version_info__ = (3, 1, '0a1', 'post0')
 __version__ = '.'.join(map(str, __version_info__))