diff --git a/requirements.txt b/requirements.txt
index fc7868b..a1318c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-WTF==0.14.3
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.2
-Mako==1.1.3
+Mako==1.2.2
 MarkupSafe==1.1.1
 PyJWT==1.7.1
 python-dateutil==2.8.1