diff --git a/sklearn/__init__.py b/sklearn/__init__.py
index 3ca2a6814e70b1cb9544796e8ff28f8ed93c0a4f..97f5bbad44f551152e8f746b6cbc979c2bf157e1 100644
--- a/sklearn/__init__.py
+++ b/sklearn/__init__.py
@@ -109,7 +109,7 @@ warnings.filterwarnings('always', category=DeprecationWarning,
 # Dev branch marker is: 'X.Y.dev' or 'X.Y.devN' where N is an integer.
 # 'X.Y.dev0' is the canonical version of 'X.Y.dev'
 #
-__version__ = '0.19.dev0'
+__version__ = '0.19b1'
 
 
 try: