diff --git a/package.json b/package.json
index cb563388..11d759ae 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "dayjs": "^1.11.13",
     "eslint": "8.57.0",
     "fuse.js": "^7.0.0",
-    "happy-dom": "^14.12.3",
+    "happy-dom": "^15.11.0",
     "histoire": "0.16.5",
     "lodash-es": "^4.17.21",
     "markdown-it": "^14.1.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c61eb39b..66d7af1d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -74,7 +74,7 @@ importers:
         version: 5.2.0(vite@5.4.11(@types/node@22.9.0))(vue@3.5.13(typescript@5.6.3))
       '@vitest/coverage-v8':
         specifier: ^2.1.5
-        version: 2.1.5(vitest@2.1.5(@types/node@22.9.0)(happy-dom@14.12.3)(jsdom@20.0.3))
+        version: 2.1.5(vitest@2.1.5(@types/node@22.9.0)(happy-dom@15.11.0)(jsdom@20.0.3))
       '@vue/reactivity':
         specifier: ^3.5.13
         version: 3.5.13
@@ -103,8 +103,8 @@ importers:
         specifier: ^7.0.0
         version: 7.0.0
       happy-dom:
-        specifier: ^14.12.3
-        version: 14.12.3
+        specifier: ^15.11.0
+        version: 15.11.0
       histoire:
         specifier: 0.16.5
         version: 0.16.5(@types/node@22.9.0)(vite@5.4.11(@types/node@22.9.0))
@@ -146,7 +146,7 @@ importers:
         version: 1.5.0(@algolia/client-search@5.14.2)(@types/node@22.9.0)(fuse.js@7.0.0)(postcss@8.4.49)(search-insights@2.17.3)(typescript@5.6.3)
       vitest:
         specifier: ^2.1.5
-        version: 2.1.5(@types/node@22.9.0)(happy-dom@14.12.3)(jsdom@20.0.3)
+        version: 2.1.5(@types/node@22.9.0)(happy-dom@15.11.0)(jsdom@20.0.3)
       vue:
         specifier: ^3.5.13
         version: 3.5.13(typescript@5.6.3)
@@ -2385,9 +2385,9 @@ packages:
     engines: {node: '>=0.4.7'}
     hasBin: true
 
-  happy-dom@14.12.3:
-    resolution: {integrity: sha512-vsYlEs3E9gLwA1Hp+w3qzu+RUDFf4VTT8cyKqVICoZ2k7WM++Qyd2LwzyTi5bqMJFiIC/vNpTDYuxdreENRK/g==}
-    engines: {node: '>=16.0.0'}
+  happy-dom@15.11.0:
+    resolution: {integrity: sha512-/zyxHbXriYJ8b9Urh43ILk/jd9tC07djURnJuAimJ3tJCOLOzOUp7dEHDwJOZyzROlrrooUhr/0INZIDBj1Bjw==}
+    engines: {node: '>=18.0.0'}
 
   has-flag@4.0.0:
     resolution: {integrity: sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==}
@@ -5275,7 +5275,7 @@ snapshots:
       vite: 5.4.11(@types/node@22.9.0)
       vue: 3.5.13(typescript@5.6.3)
 
-  '@vitest/coverage-v8@2.1.5(vitest@2.1.5(@types/node@22.9.0)(happy-dom@14.12.3)(jsdom@20.0.3))':
+  '@vitest/coverage-v8@2.1.5(vitest@2.1.5(@types/node@22.9.0)(happy-dom@15.11.0)(jsdom@20.0.3))':
     dependencies:
       '@ampproject/remapping': 2.3.0
       '@bcoe/v8-coverage': 0.2.3
@@ -5289,7 +5289,7 @@ snapshots:
       std-env: 3.8.0
       test-exclude: 7.0.1
       tinyrainbow: 1.2.0
-      vitest: 2.1.5(@types/node@22.9.0)(happy-dom@14.12.3)(jsdom@20.0.3)
+      vitest: 2.1.5(@types/node@22.9.0)(happy-dom@15.11.0)(jsdom@20.0.3)
     transitivePeerDependencies:
       - supports-color
 
@@ -6703,7 +6703,7 @@ snapshots:
     optionalDependencies:
       uglify-js: 3.19.3
 
-  happy-dom@14.12.3:
+  happy-dom@15.11.0:
     dependencies:
       entities: 4.5.0
       webidl-conversions: 7.0.0
@@ -8417,7 +8417,7 @@ snapshots:
       - typescript
       - universal-cookie
 
-  vitest@2.1.5(@types/node@22.9.0)(happy-dom@14.12.3)(jsdom@20.0.3):
+  vitest@2.1.5(@types/node@22.9.0)(happy-dom@15.11.0)(jsdom@20.0.3):
     dependencies:
       '@vitest/expect': 2.1.5
       '@vitest/mocker': 2.1.5(vite@5.4.11(@types/node@22.9.0))
@@ -8441,7 +8441,7 @@ snapshots:
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/node': 22.9.0
-      happy-dom: 14.12.3
+      happy-dom: 15.11.0
       jsdom: 20.0.3
     transitivePeerDependencies:
       - less