diff --git a/backend/python/diffusers/requirements.txt b/backend/python/diffusers/requirements.txt
index 5621046cd..66c91341c 100644
--- a/backend/python/diffusers/requirements.txt
+++ b/backend/python/diffusers/requirements.txt
@@ -3,3 +3,4 @@ grpcio==1.76.0
 pillow
 protobuf
 certifi
+av