diff --git a/optional-requirements.txt b/optional-requirements.txt
index cfb161a..f518a80 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -5,4 +5,4 @@ python-rtmidi==1.4.9
 python-socketio[client]==5.3.0
 requests==2.26.0
 uvicorn[standard]==0.15.0
-opencv-python==4.5.3
+opencv-python==4.5.3.56
--
libgit2 0.21.2