diff --git a/packages/outline-core/index.html b/packages/outline-core/index.html
index 68b92ca4..60046c1c 100644
--- a/packages/outline-core/index.html
+++ b/packages/outline-core/index.html
@@ -2,7 +2,13 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="https://vitejs.dev/logo.svg" />
+    <link
+      rel="icon"
+      type="image/svg+xml"
+      href="https://vitejs.dev/logo.svg"
+      integrity="sha384-06BVdAqONqVQiSmzjjP7XMnhVNO8uqluYtASoFLwhbNrgA4wyOB67/rVwjdgVoFw%"
+      crossorigin="anonymous"
+    />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>OutlineCore</title>
   </head>
