diff --git a/requirements.txt b/requirements.txt
index e847458..f186e27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ Jinja2==2.9.6
 kiwisolver==1.0.1
 lazy-object-proxy==1.3.1
 macholib==1.9
-Mako==1.0.7
+Mako==1.2.2
 Markdown==2.6.11
 MarkupSafe==1.0
 matplotlib==2.2.2