diff --git a/websocket-server/src/sessionManager.ts b/websocket-server/src/sessionManager.ts
index 16a22766..38fc5a7a 100644
--- a/websocket-server/src/sessionManager.ts
+++ b/websocket-server/src/sessionManager.ts
@@ -121,7 +121,7 @@ function tryConnectModel() {
   if (isOpen(session.modelConn)) return;
 
   session.modelConn = new WebSocket(
-    "wss://api.openai.com/v1/realtime?model=gpt-4o-realtime-preview-2024-12-17",
+    "wss://api.openai.com/v1/realtime?model=gpt-4o-realtime-preview-2025-06-03",
     {
       headers: {
         Authorization: `Bearer ${session.openAIApiKey}`,