Up to 0.4.9.1

diff --git a/src/setup.py b/src/setup.py
index bcdec04..65010b8 100755
--- a/src/setup.py
+++ b/src/setup.py
@@ -56,7 +56,7 @@
       name=_PACKAGE_NAME,
       packages=[_PACKAGE_NAME],
       url='http://code.google.com/p/pywebsocket/',
-      version='0.4.9',
+      version='0.4.9.1',
       )