diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index e144df8..8f6c099
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-Login==0.4.0
 Flask-SQLAlchemy==2.2
 gunicorn==19.7.1
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 numpy==1.13.1
 psycopg2==2.7.3.1