diff --git a/requirements.txt b/requirements.txt
index aa146d3..141137d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ gevent==1.0.1
 gevent-socketio==0.3.6
 gevent-websocket==0.9.3
 greenlet==0.4.5
-gunicorn==0.16.1
+gunicorn==19.5.0
 itsdangerous==0.24
 pymongo==2.8
 requests==2.6.0