diff --git a/pyproject.toml b/pyproject.toml
index 62b13b1..1caed5f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ gui = [
 ]
 voice = [
     "vosk>=0.3.45",
-    "sounddevice>=0.4.6",
+    "sounddevice>=0.5.5",
     "numpy>=1.26",
     "piper-tts>=1.4",
     "pyttsx3>=2.90",
diff --git a/requirements.txt b/requirements.txt
index 6602a9f..9494697 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ requests>=2.32
 # --- Voice (voice/) - wake word + offline speech, see the Voice section of README.md ---
 # All optional: only needed if you're running emma_voice.py.
 vosk>=0.3.45          # offline speech recognition (wake word + command STT)
-sounddevice>=0.4.6    # microphone capture + speaker playback
+sounddevice>=0.5.5    # microphone capture + speaker playback
 numpy>=1.26           # audio buffer math
 piper-tts>=1.4        # natural neural feminine voice (offline, CPU) - fallback TTS
 pyttsx3>=2.90         # fallback text-to-speech (SAPI5 / NSSpeech / espeak-ng)