diff --git a/requirements.txt b/requirements.txt
index e2b168c..9bbd7be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-Migrate==3.1.0
 Flask-SQLAlchemy==3.1.1
 Flask-User==1.0.2.2
 Flask-WTF==1.2.1
-gunicorn==21.2.0
+gunicorn==22.0.0
 libsass==0.21.0
 PyMySQL==1.0.2
 SQLAlchemy==2.0.23