diff --git a/frontend/app/api/chat/route.ts b/frontend/app/api/chat/route.ts
index 13fa318..9356281 100644
--- a/frontend/app/api/chat/route.ts
+++ b/frontend/app/api/chat/route.ts
@@ -1,6 +1,6 @@
 import { NextResponse } from 'next/server';
 
-const CHAT_HOST = process.env.CHAT_API_URL || process.env.NEXT_PUBLIC_CHAT_API_URL || 'https://f52c8f4e7dfc.ngrok-free.app';
+const CHAT_HOST = process.env.CHAT_API_URL || process.env.NEXT_PUBLIC_CHAT_API_URL || 'https://fc39539f7cb9.ngrok-free.app';
 
 export async function POST(req: Request) {
   try {
diff --git a/frontend/components/try/ChatbotPanel.tsx b/frontend/components/try/ChatbotPanel.tsx
index 8309601..67697f3 100644
--- a/frontend/components/try/ChatbotPanel.tsx
+++ b/frontend/components/try/ChatbotPanel.tsx
@@ -2,7 +2,7 @@
 import { useState, useRef, useEffect } from "react";
 import { chatWithCopilot } from "../../lib/api";
 
-const CHAT_ENDPOINT = process.env.NEXT_PUBLIC_CHAT_API_URL || 'https://f52c8f4e7dfc.ngrok-free.app';
+const CHAT_ENDPOINT = process.env.NEXT_PUBLIC_CHAT_API_URL || 'https://fc39539f7cb9.ngrok-free.app';
 
 export function ChatbotPanel() {
 	const [messages, setMessages] = useState<{ role: "user" | "assistant"; content: string; pending?: boolean; error?: boolean }[]>([