diff --git a/requests/core.py b/requests/core.py
index 3c32d67c..a8b6b5c7 100644
--- a/requests/core.py
+++ b/requests/core.py
@@ -12,8 +12,8 @@ This module implements the main Requests system.
 """
 
 __title__ = 'requests'
-__version__ = '0.3.4'
-__build__ = 0x000304
+__version__ = '0.4.0'
+__build__ = 0x000400
 __author__ = 'Kenneth Reitz'
 __license__ = 'ISC'
 __copyright__ = 'Copyright 2011 Kenneth Reitz'