diff --git a/requirements.txt b/requirements.txt
index 8c758e9..5b8e38f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ gunicorn==19.7.1
 ipaddress==1.0.18
 itsdangerous==0.24
 Jinja2==2.9.6
-Mako==1.0.6
+Mako==1.2.2
 MarkupSafe==1.0
 pbr==3.0.1
 pycodestyle==2.3.1