diff --git a/requirements.txt b/requirements.txt
index 0460005..ad6d5cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ Jinja2==2.10.1
 jsonschema==3.0.1
 kitchen==1.2.6
 lockfile==0.12.2
-Mako==1.0.12
+Mako==1.2.2
 MarkupSafe==1.1.1
 more-itertools==7.2.0
 munch==2.3.2