diff --git a/requirements.txt b/requirements.txt
index 31f4507..7633321 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Flask-Uploads==0.2.1
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
-Mako==1.1.3
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.7.1
 marshmallow-sqlalchemy==0.23.1