diff --git a/requirements.txt b/requirements.txt
index 3902396..05b9ad5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-SQLAlchemy==2.3.2
 gunicorn==19.7.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 MySQL-python==1.2.5
 passlib==1.7.1