diff --git a/requirements.txt b/requirements.txt
index 12eab52..99b8ab6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ jmespath==0.9.3
 jsonschema==2.6.0
 kiwisolver==1.0.1
 klein==17.10.0
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 matplotlib==3.0.1
 matrix-client==0.3.2