diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f74080f..688e865
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-Script==2.0.5
 Flask-SQLAlchemy==2.2
 idna==2.5
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 jpush==3.2.8
 Mako==1.0.7
 MarkupSafe==1.0