diff --git a/pyproject.toml b/pyproject.toml
index d0422dacd..115822cbf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,6 +60,7 @@ openai = [ "openai~=1.50.2", "websockets~=13.1", "python-deepcompare~=1.0.1" ]
 openpipe = [ "openpipe~=4.24.0" ]
 playht = [ "pyht~=0.1.4", "websockets~=13.1" ]
 silero = [ "onnxruntime~=1.19.2" ]
+soundfile = [ "soundfile~=0.12.1" ]
 together = [ "openai~=1.50.2" ]
 websocket = [ "websockets~=13.1", "fastapi~=0.115.0" ]
 whisper = [ "faster-whisper~=1.0.3" ]