Version bump for Python 3.5.0b4.
diff --git a/README b/README
index 8a6ea1a..d021065 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-This is Python version 3.5.0 beta 3
+This is Python version 3.5.0 beta 4
 ===================================
 
 Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,