diff --git a/AICSE-demo-student/demo/yolov3/yolov3-bcl/demo/docs/requirements.txt b/AICSE-demo-student/demo/yolov3/yolov3-bcl/demo/docs/requirements.txt
old mode 100755
new mode 100644
index 3221456..13a3d13
--- a/AICSE-demo-student/demo/yolov3/yolov3-bcl/demo/docs/requirements.txt
+++ b/AICSE-demo-student/demo/yolov3/yolov3-bcl/demo/docs/requirements.txt
@@ -1,5 +1,5 @@
 numpy==1.15.1
-Pillow==5.3.0
+Pillow==9.3.0
 scipy==1.1.0
 tensorflow-gpu==1.11.0
 wget==3.2