diff --git a/setup.py b/setup.py
index 0c8d15b..ce15526 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 import sys
 
-VERSION = "0.21.0"
+VERSION = "0.22.0"
 NAME="websocket-client"
 
 install_requires = ["six"]
diff --git a/websocket/__init__.py b/websocket/__init__.py
index 7e22414..4628a64 100644
--- a/websocket/__init__.py
+++ b/websocket/__init__.py
@@ -21,4 +21,4 @@ Copyright (C) 2010 Hiroki Ohtani(liris)
 from ._core import *
 from ._app import WebSocketApp
 
-__version__ = "0.21.0"
+__version__ = "0.22.0"