diff --git a/keras-CenterNet-master/requirements.txt b/keras-CenterNet-master/requirements.txt
index ef688f3..f04599f 100644
--- a/keras-CenterNet-master/requirements.txt
+++ b/keras-CenterNet-master/requirements.txt
@@ -1,7 +1,7 @@
 Keras==2.2.5
 keras-resnet==0.2.0
 opencv-contrib-python==3.4.2.17
-opencv-python==3.4.2.17
+opencv-python==3.4.7.28
 Pillow==8.1.1
 tensorflow-gpu==2.4.0
 progressbar2