diff --git a/requirements.txt b/requirements.txt
index 0831ea9..e1e0a54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Flask-WTF==0.14.2
 gunicorn==20.0.4
 itsdangerous==1.1.0
 Jinja2==2.11.3
-Mako==1.1.0
+Mako==1.2.2
 MarkupSafe==1.1.1
 PyJWT==1.4.2
 python-dateutil==2.8.1