diff --git a/requirements.txt b/requirements.txt
index 5fbfdac..dd743d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ Jinja2==2.10.3
 jmespath==0.9.4
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
-Mako==1.1.0
+Mako==1.2.2
 Markdown==3.1.1
 MarkupSafe==1.1.1
 mccabe==0.6.1