diff --git a/yolov3/requirements.txt b/yolov3/requirements.txt
old mode 100755
new mode 100644
index 08c696b..e40a58d
--- a/yolov3/requirements.txt
+++ b/yolov3/requirements.txt
@@ -1,6 +1,6 @@
 # pip install -U -r requirements.txt
 # pycocotools requires numpy 1.17 https://github.com/cocodataset/cocoapi/issues/356
-numpy == 1.17
+numpy == 1.22.0
 opencv-python >= 4.1
 torch >= 1.5
 matplotlib