diff --git a/requirements.txt b/requirements.txt
index bb9a0f0..1be11b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,3 +41,4 @@ httpx==0.23.0
 #onnxruntime-gpu
 torchcrepe==0.0.20
 fastapi==0.88
+ffmpy==0.3.1