diff --git a/python/requirements.txt b/python/requirements.txt
index abb0e59..efb0232 100755
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,6 +1,6 @@
 pyclipper==1.2.0
 Shapely==1.7.1
 onnxruntime==1.7.0
-opencv_python==4.2.0.32
+opencv_python==4.5.1.48
 six==1.15.0
 numpy==1.19.2