diff --git a/CV/robust_vessel_segmentation/requirements.txt b/CV/robust_vessel_segmentation/requirements.txt
index 70754d5e6..5217e4e37 100644
--- a/CV/robust_vessel_segmentation/requirements.txt
+++ b/CV/robust_vessel_segmentation/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib==2.2.2
 numpy==1.16.4
-opencv-python==3.4.3
+opencv-python==4.2.0.32
 paddlepaddle-gpu==1.6.2
\ No newline at end of file