diff --git a/requirements.txt b/requirements.txt
index 561f390..65c90f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -99,7 +99,7 @@ lazy-object-proxy==1.4.3
 lightgbm==2.3.1
 lockfile==0.12.2
 lxml==4.5.0
-Mako==1.1.2
+Mako==1.2.2
 Markdown==2.6.11
 MarkupSafe==1.1.1
 marshmallow==2.21.0