diff --git a/requirements.txt b/requirements.txt
index ef5d016..3f3c1dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-opencv-contrib-python
+opencv-contrib-python==4.5.4.60
 natsort
 matplotlib
 seaborn
-ArgumentParser
\ No newline at end of file
+ArgumentParser