diff --git a/requirements.txt b/requirements.txt
index 917c5bc..3064f15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.1
-Mako==1.1.0
+Mako==1.2.2
 MarkupSafe==1.1.1
 numpy==1.17.0
 post==2019.4.13