diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f1645cb..470dca4
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ backports.ssl-match-hostname==3.4.0.2
 gevent==1.0.1
 gevent-websocket==0.9.3
 greenlet==0.4.4
-gunicorn==19.1.1
+gunicorn==19.5.0
 httplib2==0.9
 itsdangerous==0.24
 nose==1.3.4