diff --git a/requirements.txt b/requirements.txt
index cc6f561..e6a0378 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ jedi==0.13.1
 Jinja2==2.10
 jsonschema==2.6.0
 jupyter-core==4.4.0
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 mccabe==0.6.1
 nbformat==4.4.0