diff --git a/requirements.txt b/requirements.txt
index 0fd9d62..7d19731 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Flask-WTF==0.14.2
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.10
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 pycodestyle==2.3.1
 PyJWT==1.5.3