diff --git a/requirements.txt b/requirements.txt
index e2c85a5..44ad616 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ arrow==0.7.0
 Flask==1.0
 gunicorn==19.5.0
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 MarkupSafe==0.23
 pymongo==3.2
 python-dateutil==2.4.2