diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c76c385..b8bc31a
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ Flask-WTF==0.14.2
 future==0.17.1
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 jinja2-time==0.2.0
 Mako==1.1.0
 MarkupSafe==1.1.1