diff --git a/requirements.txt b/requirements.txt
index 6a80dc5..ca81baf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ ipykernel==4.5.2
 ipython==5.2.2
 ipython-genutils==0.1.0
 ipywidgets==5.2.2
-Jinja2==2.9.5
+Jinja2==2.11.3
 jsonschema==2.5.1
 jupyter==1.0.0
 jupyter-client==4.4.0