diff --git a/requirements.txt b/requirements.txt
index e355bef..5c590b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ idna==2.6
 itsdangerous==0.24
 Jinja2==2.10
 kiwisolver==1.0.1
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 matplotlib==2.2.3
 numpy==1.15.4