diff --git a/requirements.txt b/requirements.txt
index e818802..217f464 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ gevent==1.0.2
 gevent-socketio==0.3.6
 gevent-websocket==0.9.3
 greenlet==0.4.2
-gunicorn==18.0
+gunicorn==19.5.0
 html5lib==0.999
 isodate==0.5.0
 itsdangerous==0.24