diff --git a/requirements.txt b/requirements.txt
index d588a87..a119c2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ ipython-genutils==0.2.0
 ipywidgets==7.5.1
 jdcal==1.4.1
 jedi==0.15.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 jsonschema==3.0.2
 jupyter==1.0.0
 jupyter-client==5.3.1