diff --git a/03-deep_learning/01-tensorflow_examples/04-CV/02-detection/yolov3/docs/requirements.txt b/03-deep_learning/01-tensorflow_examples/04-CV/02-detection/yolov3/docs/requirements.txt
old mode 100755
new mode 100644
index 3221456e..c1f46b62
--- a/03-deep_learning/01-tensorflow_examples/04-CV/02-detection/yolov3/docs/requirements.txt
+++ b/03-deep_learning/01-tensorflow_examples/04-CV/02-detection/yolov3/docs/requirements.txt
@@ -1,5 +1,5 @@
 numpy==1.15.1
-Pillow==5.3.0
+Pillow==8.1.1
 scipy==1.1.0
 tensorflow-gpu==1.11.0
 wget==3.2