diff --git a/requirements.txt b/requirements.txt
index bec434d..aa06c31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ numpy
 pywin32
 opencv_python
 Pillow
-opencv_contrib_python==3.4.2.16
\ No newline at end of file
+opencv_contrib_python==4.8.1.78
\ No newline at end of file