diff --git a/Code of Winning Methods/A4/kaggle-m5a-4th/requirements.txt b/Code of Winning Methods/A4/kaggle-m5a-4th/requirements.txt
index 48a8acf..a433f5c 100644
--- a/Code of Winning Methods/A4/kaggle-m5a-4th/requirements.txt	
+++ b/Code of Winning Methods/A4/kaggle-m5a-4th/requirements.txt	
@@ -28,7 +28,7 @@ jupyter-core==4.6.3
 jupyter==1.0.0
 kiwisolver==1.2.0; python_version >= '3.6'
 lightgbm==2.3.1
-mako==1.1.3
+mako==1.2.2
 markupsafe==1.1.1
 matplotlib==3.2.2
 mistune==0.8.4
@@ -110,7 +110,7 @@ jupyter-core==4.6.3
 jupyter==1.0.0
 kiwisolver==1.2.0; python_version >= '3.6'
 lightgbm==2.3.1
-mako==1.1.3
+mako==1.2.2
 markupsafe==1.1.1
 matplotlib==3.2.2
 mistune==0.8.4