diff --git a/requirements.txt b/requirements.txt
index edc3e41..a05db83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ Flask-SQLAlchemy==2.2
 Flask-Testing==0.6.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 jsonschema==2.6.0
 Mako==1.0.7
 MarkupSafe==1.0