diff --git a/requirements.txt b/requirements.txt
index 9b645c7ca..770c5f26d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ matplotlib
 pillow 
 pyyaml
 scikit-learn
-swig
\ No newline at end of file
+swig
+opencv-python==4.6.0.66