diff --git a/requirements.txt b/requirements.txt
index 9fa00e4..fc56723 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ gunicorn==20.0.4
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.3
-Mako==1.1.3
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.7.1
 marshmallow-sqlalchemy==0.23.1