diff --git a/requirements.txt b/requirements.txt
index 2daa891..b512d7d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ idna==2.6
 isort==4.2.15
 lazy-object-proxy==1.3.1
 macropy3==1.0.4.dev2
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 mccabe==0.6.1
 numpy==1.14.0