diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5270dc41..2f70b9e1
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ ipython==6.3.1
 ipython-genutils==0.2.0
 ipywidgets==7.2.0
 jedi==0.11.1
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 jupyter==1.0.0
 jupyter-client==5.2.3