diff --git a/api/requirements.txt b/api/requirements.txt
index f7aa33f..0eb60c7 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -12,7 +12,7 @@ gunicorn==19.9.0
 itsdangerous==1.1.0
 Jinja2==2.10.1
 jsonschema==3.0.1
-Mako==1.0.10
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.0.0rc4
 marshmallow-sqlalchemy==0.16.1