diff --git a/HISTORY.rst b/HISTORY.rst
index fa29c14..d86ed40 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,12 @@
 History
 =======
 
+
+0.5.1 (2018-7-9)
+------------------
+
+* tornado 5.0.0+ compatible
+
 0.5.0 (2018-6-12)
 ------------------
 
diff --git a/setup.py b/setup.py
index 28ef38a..b88c2bf 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
 
 setup(
     name='avs',
-    version='0.5.0',
+    version='0.5.1',
     description="Alexa Voice Service Python SDK",
     long_description=long_description,
     long_description_content_type='text/markdown',