diff --git a/requirements.txt b/requirements.txt
index c2b826f..06c80c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-RESTful==0.3.6
 gunicorn==19.9.0
 idna==2.7
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 python-dateutil==2.7.5
 pytz==2018.7