diff --git a/store-reactjs-chat/src/index.js b/store-reactjs-chat/src/index.js
index 6832e78..31508db 100644
--- a/store-reactjs-chat/src/index.js
+++ b/store-reactjs-chat/src/index.js
@@ -1,11 +1,11 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
-import './index.css';
-import App from './App';
+import React from "react";
+import ReactDOM from "react-dom/client";
+import "./index.css";
+import App from "./App";
 
-ReactDOM.render(
+const root = ReactDOM.createRoot(document.getElementById("root"));
+root.render(
   <React.StrictMode>
     <App />
-  </React.StrictMode>,
-  document.getElementById('root')
+  </React.StrictMode>
 );