diff --git a/requirements3.txt b/requirements3.txt
index f467d38..da120c6 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -8,7 +8,7 @@ jupyter-core==4.4.0
 matplotlib==2.2.2
 notebook>=5.7.2
 numpy==1.14.5
-opencv-python==3.4.1.15
+opencv-python==4.2.0.32
 Pillow==6.2.0
 scikit-image==0.14.0
 six==1.11.0