diff --git a/requirements.txt b/requirements.txt
index 90ec91a..18309da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib==2.2.2
 numpy==1.18.5
 numpydoc==0.8.0
-opencv-python==4.2.0.34
+opencv-python==4.8.1.78