diff --git a/requirements.txt b/requirements.txt
index bbf2d5f..4d45b90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask==0.10.1
-gunicorn==19.1.1
+gunicorn==22.0.0
 itsdangerous==0.24
 Jinja2==2.7.3
 logging==0.4.9.6