diff --git a/requirements.txt b/requirements.txt
index 5c58c5a4..e77c0775 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -70,7 +70,7 @@ jupyter-console==5.2.0
 jupyter-core==4.3.0
 kombu==4.1.0
 lxml==4.0.0
-Mako==1.0.7
+Mako==1.2.2
 Markdown==2.6.9
 markdown2==2.3.4
 markup==0.2