diff --git a/appengine/flexible/django_cloudsql/requirements.txt b/appengine/flexible/django_cloudsql/requirements.txt
index 17350d603aa..1eb48991e3a 100644
--- a/appengine/flexible/django_cloudsql/requirements.txt
+++ b/appengine/flexible/django_cloudsql/requirements.txt
@@ -2,6 +2,6 @@ Django==3.0.2; python_version > '3.5'
 Django==2.2.9; python_version == '3.5'
 # mysqlclient==1.4.1  # Uncomment this line if using MySQL
 wheel==0.33.6
-gunicorn==20.0.4
+gunicorn==22.0.0
 #psycopg2==2.8.4 # uncomment if you prefer to build from source
 psycopg2-binary==2.8.4