diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 9bd875a..ff2af39
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-SocketIO==3.0.2
 Flask-SQLAlchemy==2.4.0
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10.1
+Jinja2==2.11.3
 Mako==1.0.7
 MarkupSafe==1.0
 mysql-connector==2.2.9