diff --git a/setup.py b/setup.py
index ac1fa06e0..d333a1c41 100644
--- a/setup.py
+++ b/setup.py
@@ -46,6 +46,7 @@
 test_requires = ["pytest", "pytest-cov", "pre-commit"]
 
 gradio_requires = [
+    "ffmpy==3.1.0",
     "gradio==4.19.1",
     "modelscope_studio==0.0.5",
 ]