diff --git a/requirements.txt b/requirements.txt
index 0a25166..8e1da2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-SQLAlchemy==2.4.0
 Flask-WTF==0.14.2
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 psycopg2==2.8.3
 pycodestyle==2.5.0