diff --git a/requirements.txt b/requirements.txt
index 4fb774e..ea7544d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-WTF==0.14.3
 itsdangerous==1.1.0
 jaraco.functools==3.0.1
 Jinja2==2.11.2
-Mako==1.1.3
+Mako==1.2.2
 MarkupSafe==1.1.1
 more-itertools==8.4.0
 python-dateutil==2.8.1