diff --git a/requirements.txt b/requirements.txt
index f83cc9a..1eed2de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-SQLAlchemy==2.1
 Flask-WTF==0.14
 gunicorn==19.6.0
 itsdangerous==0.24
-Jinja2==2.9.1
+Jinja2==2.11.3
 MarkupSafe==0.23
 mpmath==0.19
 passlib==1.7.0