diff --git a/index.html b/index.html
index 15ea3900..2e7bae87 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: tauri://localhost; connect-src 'self' tauri://localhost http://127.0.0.1:*;" />
     <title>LLM Wiki</title>
   </head>
   <body>
