diff --git a/requirements.txt b/requirements.txt
index 0379da2..9030f8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ kiwisolver==1.3.1
 matplotlib==3.3.4
 networkx==2.5
 numpy==1.20.1
-opencv-python==4.5.1.48
+opencv-python==4.8.1.78
 pandas==1.2.3
 Pillow==8.1.2
 pyparsing==2.4.7