diff --git a/requirements.txt b/requirements.txt
index c71109f..a985dc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-SQLAlchemy==2.4.1
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 kiwisolver==1.1.0
 lxml==4.4.1
 Mako==1.1.0