diff --git a/requirements.txt b/requirements.txt
index d5d33df..921ceb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-gunicorn==19.5.0
+gunicorn==22.0.0
 rivr==0.5.0
 wsgiref==0.1.2