diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index 4cf4779563..4d0139f252 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -26,8 +26,8 @@
 		"@tabler/icons-webfont": "2.44.0",
 		"@vitejs/plugin-vue": "4.5.2",
 		"@vue/compiler-sfc": "3.3.11",
-		"astring": "1.8.6",
 		"aiscript-vscode": "github:aiscript-dev/aiscript-vscode#v0.0.6",
+		"astring": "1.8.6",
 		"broadcast-channel": "6.0.0",
 		"browser-image-resizer": "github:misskey-dev/browser-image-resizer#v2.2.1-misskey.3",
 		"buraha": "0.0.1",
@@ -56,8 +56,8 @@
 		"punycode": "2.3.1",
 		"rollup": "4.9.0",
 		"sanitize-html": "2.11.0",
-		"shiki": "0.14.6",
 		"sass": "1.69.5",
+		"shiki": "0.14.6",
 		"strict-event-emitter-types": "2.0.0",
 		"textarea-caret": "3.1.0",
 		"three": "0.159.0",
@@ -116,6 +116,7 @@
 		"eslint-plugin-vue": "9.19.2",
 		"fast-glob": "3.3.2",
 		"happy-dom": "10.0.3",
+		"intersection-observer": "0.12.2",
 		"micromatch": "4.0.5",
 		"msw": "1.3.2",
 		"msw-storybook-addon": "1.10.0",
diff --git a/packages/frontend/test/home.test.ts b/packages/frontend/test/home.test.ts
index 6d38b7e526..094ea071b9 100644
--- a/packages/frontend/test/home.test.ts
+++ b/packages/frontend/test/home.test.ts
@@ -3,13 +3,14 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { describe, test, assert, afterEach } from 'vitest';
-import { render, cleanup, type RenderResult } from '@testing-library/vue';
+import { afterEach, assert, describe, test } from 'vitest';
+import { cleanup, render, type RenderResult } from '@testing-library/vue';
 import './init';
 import type * as Misskey from 'misskey-js';
 import { directives } from '@/directives/index.js';
 import { components } from '@/components/index.js';
 import XHome from '@/pages/user/home.vue';
+import 'intersection-observer';
 
 describe('XHome', () => {
 	const renderHome = (user: Partial<Misskey.entities.UserDetailed>): RenderResult => {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7c0bc470b0..5319acf932 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -944,6 +944,9 @@ importers:
       happy-dom:
         specifier: 10.0.3
         version: 10.0.3
+      intersection-observer:
+        specifier: 0.12.2
+        version: 0.12.2
       micromatch:
         specifier: 4.0.5
         version: 4.0.5
@@ -12996,6 +12999,10 @@ packages:
       side-channel: 1.0.4
     dev: true
 
+  /intersection-observer@0.12.2:
+    resolution: {integrity: sha512-7m1vEcPCxXYI8HqnL8CKI6siDyD+eIWSwgB3DZA+ZTogxk9I4CDnj4wilt9x/+/QbHI4YG5YZNmC6458/e9Ktg==}
+    dev: true
+
   /invariant@2.2.4:
     resolution: {integrity: sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==}
     dependencies: