diff --git a/requirements.txt b/requirements.txt
index 3a7a944..185de2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -89,7 +89,7 @@ geojson==3.1.0
     # via utils-flask-sqlalchemy-geo
 greenlet==3.0.3
     # via sqlalchemy
-gunicorn==21.2.0
+gunicorn==22.0.0
     # via taxhub
 idna==3.6
     # via requests