diff --git a/oauth2_server/requirements.txt b/oauth2_server/requirements.txt
index f23d648..5f6e929 100644
--- a/oauth2_server/requirements.txt
+++ b/oauth2_server/requirements.txt
@@ -9,7 +9,7 @@ gunicorn==20.0.4
 idna==2.8
 importlib-metadata==0.23
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 jsonschema==3.2.0
 MarkupSafe==1.1.1
 more-itertools==8.0.0