diff --git a/deploy/docker/docker-compose.yml b/deploy/docker/docker-compose.yml
index b7631f4..5e7d263 100644
--- a/deploy/docker/docker-compose.yml
+++ b/deploy/docker/docker-compose.yml
@@ -355,8 +355,8 @@ services:
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - OPENAI_BASE_URL=${OPENAI_BASE_URL}
       - OPENAI_STT_MODEL=${OPENAI_STT_MODEL:-gpt-4o-transcribe}
-      - OPENAI_TTS_MODEL=${OPENAI_TTS_MODEL:-tts-1}
-      - OPENAI_TTS_VOICE=${OPENAI_TTS_VOICE:-alloy}
+      - OPENAI_TTS_MODEL=${OPENAI_TTS_MODEL:-gpt-4o-mini-tts}
+      - OPENAI_TTS_VOICE=${OPENAI_TTS_VOICE:-coral}
     depends_on:
       livekit-server:
         condition: service_healthy
@@ -389,8 +389,8 @@ services:
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - OPENAI_BASE_URL=${OPENAI_BASE_URL}
       - OPENAI_STT_MODEL=${OPENAI_STT_MODEL:-gpt-4o-transcribe}
-      - OPENAI_TTS_MODEL=${OPENAI_TTS_MODEL:-tts-1}
-      - OPENAI_TTS_VOICE=${OPENAI_TTS_VOICE:-alloy}
+      - OPENAI_TTS_MODEL=${OPENAI_TTS_MODEL:-gpt-4o-mini-tts}
+      - OPENAI_TTS_VOICE=${OPENAI_TTS_VOICE:-coral}
       - LIVEKIT_API_KEY=devkey
       - LIVEKIT_API_SECRET=devsecret
       - LIVEKIT_WS_URL=ws://154.84.135.121:17880