diff --git a/build/requirements.txt b/build/requirements.txt
index 21467af..d9c54b3 100644
--- a/build/requirements.txt
+++ b/build/requirements.txt
@@ -62,7 +62,7 @@ Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 kiwisolver==1.1.0
 lazy-object-proxy==1.4.3
-Mako==1.1.1
+Mako==1.2.2
 Markdown==3.1.1
 MarkupSafe==1.1.1
 matplotlib==3.1.2