diff --git a/requirements.txt b/requirements.txt
index 0a5154a..d5f9470 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ face_recognition == 1.3.0
 
 # SAMS/attendance.py: 2
 # SAMS/backup.py: 2
-opencv_contrib_python == 4.2.0.34
+opencv_contrib_python == 4.8.1.78
 
 # SAMS/attendance.py: 3,4
 # SAMS/backup.py: 3,4