diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index b34878c..021ded2
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ ipywidgets==6.0.0
 itsdangerous==0.24
 jdcal==1.3
 jellyfish==0.5.6
-Jinja2==2.9.5
+Jinja2==2.11.3
 jsonschema==2.6.0
 jupyter==1.0.0
 jupyter-client==5.0.0