diff --git a/requirements.txt b/requirements.txt
index bbb4e7d..c6b1ea1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ importlib-metadata==1.5.0
 itsdangerous==1.1.0
 Jinja2==2.11.1
 jsonschema==3.2.0
-Mako==1.1.1
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.5.0
 marshmallow-sqlalchemy==0.22.2