diff --git a/app/requirements.txt b/app/requirements.txt
index 78ced11..3b1df70 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -19,7 +19,7 @@ Flask-WTF==0.14.2
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.1
-Mako==1.0.12
+Mako==1.2.2
 MarkupSafe==1.1.1
 pid==2.2.3
 pkg-resources==0.0.0