diff --git a/requirements.txt b/requirements.txt
index e1159b5..a5c3773 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ importlib-metadata==1.6.0
 itsdangerous==1.1.0
 Jinja2==2.11.2
 jsonschema==3.2.0
-Mako==1.1.2
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==2.21.0
 marshmallow-enum==1.5.1