diff --git a/pyproject.toml b/pyproject.toml
index bb7a44d5..5a99a79e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ Home = "https://github.com/microsoft/az-python"
 [project.optional-dependencies]
 audio-speech = [
   "torchaudio<=0.7.2",
-  "soundfile<=0.10.3.post1",
+  "soundfile<0.11.1",
   "pydub<=0.25.1",
   "librosa<=0.7.0",
   "pedalboard<=0.3.6"