diff --git a/requirements.txt b/requirements.txt
index e530b06..4e07184 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ gunicorn==19.9.0
 itsdangerous==0.24
 Jinja2==2.10.1
 jmespath==0.9.3
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 marshmallow==2.15.6
 marshmallow-sqlalchemy==0.14.1