diff --git a/Pipfile b/Pipfile
index b122e3e..00e064c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -81,7 +81,7 @@ jupyter-client = "==7.1.0"
 jupyter-core = "==4.9.1"
 jupyterlab-pygments = "==0.1.2"
 jupyterlab-widgets = "==1.0.2"
-mako = "==1.1.6"
+mako = "==1.2.2"
 marshmallow = "==3.14.1"
 matplotlib-inline = "==0.1.3"
 mistune = "==0.8.4"