diff --git a/requirements.txt b/requirements.txt
index d35647b..370af5a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-SQLAlchemy==2.3.2
 Flask-SSLify==0.1.5
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 kombu==4.1.0
 MarkupSafe==0.23
 marshmallow==2.15.0