diff --git a/2_YoloV3_Execute/requirements.txt b/2_YoloV3_Execute/requirements.txt
index 9ca6d38..5eaed6a 100644
--- a/2_YoloV3_Execute/requirements.txt
+++ b/2_YoloV3_Execute/requirements.txt
@@ -43,7 +43,7 @@ keyring==13.2.1
 Kivy==1.10.1
 kiwisolver==1.0.1
 lazy-object-proxy==1.3.1
-Mako==1.0.7
+Mako==1.2.2
 Markdown==2.6.11
 MarkupSafe==1.0
 matplotlib==2.2.2