diff --git a/requirements.txt b/requirements.txt
index 45886b0..268ac12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ jsmin==2.2.1
 jsonpickle==0.9.2
 jsonschema==2.6.0
 jupyter-core==4.4.0
-Mako==1.0.6
+Mako==1.2.2
 MarkupSafe==0.23
 nbformat==4.4.0
 oauth2client==4.1.2