diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5805dda..d5fc6ca
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ ipython==7.2.0
 ipython-genutils==0.2.0
 ipywidgets==7.4.2
 jedi==0.13.2
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 jupyter-client==5.2.4
 jupyter-core==4.4.0