diff --git a/requirements.txt b/requirements.txt
index c0fd206..2fd0677 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ ipython-genutils==0.2.0
 isort==4.3.4
 jdcal==1.4.1
 jellyfish==0.7.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 joblib==0.13.2
 jsonschema==3.0.1
 jupyter-core==4.4.0