diff --git a/requirements.txt b/requirements.txt
index 0f06a88..e5152fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -113,7 +113,7 @@ lightgbm==2.3.1
 llvmlite==0.31.0
 lxml==4.6.2
 lz4==3.0.2
-Mako==1.2.2
+Mako==1.3.11
 Markdown==3.1
 MarkupSafe==1.1.1
 matplotlib==3.0.3