diff --git a/requirements.txt b/requirements.txt
index 2dfb9be..3278557 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ Flask-SQLAlchemy==2.3.2
 itsdangerous==0.24
 Jinja2==2.10.1
 jsonschema==3.0.2
-Mako==1.1.0
+Mako==1.2.2
 MarkupSafe==1.0
 pep8==1.7.1
 PyJWT==1.7.1