diff --git a/requirements.txt b/requirements.txt
index 0b30198..709e71f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ blinker==1.4
 # WSGI HTTP Server for UNIX
 # License: MIT
 # Upstream url: http://gunicorn.org
-gunicorn==19.1.1
+gunicorn==22.0.0
 
 gevent==1.3.3
 greenlet==0.4.13