diff --git a/requirements_.txt b/requirements_.txt
index b13e9786..71a26ad4 100644
--- a/requirements_.txt
+++ b/requirements_.txt
@@ -1,6 +1,6 @@
 PIL==1.1.7
 greenlet==0.4.5
-gunicorn==19.1.1
+gunicorn==19.5.0
 oauthlib==0.7.2
 paho-mqtt==1.0
 paramiko==1.15.1