diff --git a/requirements.txt b/requirements.txt
index 04e9709..d2814b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -93,7 +93,7 @@ nvidia-ml-py3==7.352.0
 oauthlib==1.0.3
 onboard==1.2.0
 opencv-contrib-python==4.2.0.34
-opencv-python==3.4.3.18
+opencv-python==4.2.0.32
 openslide-python==1.1.0
 padme==1.1.1
 pandas==0.23.4