diff --git a/requirements.txt b/requirements.txt
index 2dc4399..06232aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ itsdangerous==0.24
 Jinja2==2.10
 jsonschema==2.6.0
 lazy-object-proxy==1.3.1
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 mccabe==0.6.1
 more-itertools==4.3.0