diff --git a/package.json b/package.json
index d97a196..596c9fd 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "eslint-plugin-vue": "^9.31.0",
     "esno": "^4.8.0",
     "fs-extra": "^11.2.0",
-    "happy-dom": "^14.12.3",
+    "happy-dom": "^20.0.0",
     "markdown-it": "^14.1.0",
     "markdown-it-anchor": "^9.2.0",
     "markdown-it-link-attributes": "^4.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 19f3e66..cc7ce80 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -91,8 +91,8 @@ importers:
         specifier: ^11.2.0
         version: 11.3.0
       happy-dom:
-        specifier: ^14.12.3
-        version: 14.12.3
+        specifier: ^20.0.0
+        version: 20.0.2
       markdown-it:
         specifier: ^14.1.0
         version: 14.1.0
@@ -158,7 +158,7 @@ importers:
         version: 0.6.1
       vitest:
         specifier: ^2.1.5
-        version: 2.1.9(@types/node@22.13.8)(happy-dom@14.12.3)(jsdom@24.1.3)(terser@5.39.0)
+        version: 2.1.9(@types/node@22.13.8)(happy-dom@20.0.2)(jsdom@24.1.3)(terser@5.39.0)
       vue-tsc:
         specifier: ^2.1.10
         version: 2.2.8(typescript@5.8.2)
@@ -1536,6 +1536,9 @@ packages:
   '@types/ms@2.1.0':
     resolution: {integrity: sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==}
 
+  '@types/node@20.19.21':
+    resolution: {integrity: sha512-CsGG2P3I5y48RPMfprQGfy4JPRZ6csfC3ltBZSRItG3ngggmNY/qs2uZKp4p9VbrpqNNSMzUZNFZKzgOGnd/VA==}
+
   '@types/node@22.13.8':
     resolution: {integrity: sha512-G3EfaZS+iOGYWLLRCEAXdWK9my08oHNZ+FHluRiggIYJPOXzhOiDgpVCUHaUvyIC5/fj7C/p637jdzC666AOKQ==}
 
@@ -1551,6 +1554,9 @@ packages:
   '@types/web-bluetooth@0.0.20':
     resolution: {integrity: sha512-g9gZnnXVq7gM7v3tJCWV/qw7w+KeOlSHAhgF9RytFyifW6AF61hdT2ucrYhPq9hLs5JIryeupHV3qGk95dH9ow==}
 
+  '@types/whatwg-mimetype@3.0.2':
+    resolution: {integrity: sha512-c2AKvDT8ToxLIOUlN51gTiHXflsfIFisS4pO7pDPoKouJCESkhZnEy623gwP9laCy5lnLDAw1vAzu2vM2YLOrA==}
+
   '@typescript-eslint/eslint-plugin@8.25.0':
     resolution: {integrity: sha512-VM7bpzAe7JO/BFf40pIT1lJqS/z1F8OaSsUB3rpFJucQA4cOSuH2RVVVkFULN+En0Djgr29/jb4EQnedUo95KA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -2399,9 +2405,9 @@ packages:
     resolution: {integrity: sha512-5v6yZd4JK3eMI3FqqCouswVqwugaA9r4dNZB1wwcmrD02QkV5H0y7XBQW8QwQqEaZY1pM9aqORSORhJRdNK44Q==}
     engines: {node: '>=6.0'}
 
-  happy-dom@14.12.3:
-    resolution: {integrity: sha512-vsYlEs3E9gLwA1Hp+w3qzu+RUDFf4VTT8cyKqVICoZ2k7WM++Qyd2LwzyTi5bqMJFiIC/vNpTDYuxdreENRK/g==}
-    engines: {node: '>=16.0.0'}
+  happy-dom@20.0.2:
+    resolution: {integrity: sha512-pYOyu624+6HDbY+qkjILpQGnpvZOusItCk+rvF5/V+6NkcgTKnbOldpIy22tBnxoaLtlM9nXgoqAcW29/B7CIw==}
+    engines: {node: '>=20.0.0'}
 
   has-bigints@1.1.0:
     resolution: {integrity: sha512-R3pbpkcIqv2Pm3dUwgjclDRVmWpTJW2DcMzcIhEXEx1oh/CEMObMm3KLmRJOdvhM7o4uQBnwr8pzRK2sJWIqfg==}
@@ -3368,6 +3374,7 @@ packages:
   source-map@0.8.0-beta.0:
     resolution: {integrity: sha512-2ymg6oRBpebeZi9UUNsgQ89bhx01TcTkmNTGnNO88imTmbSgy4nfujrgVEFKWpMTEGA11EDkTt7mqObTPdigIA==}
     engines: {node: '>= 8'}
+    deprecated: The work that was done in this beta branch won't be included in future versions
 
   sourcemap-codec@1.4.8:
     resolution: {integrity: sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==}
@@ -3577,6 +3584,9 @@ packages:
   undici-types@6.20.0:
     resolution: {integrity: sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==}
 
+  undici-types@6.21.0:
+    resolution: {integrity: sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==}
+
   unhead@1.11.20:
     resolution: {integrity: sha512-3AsNQC0pjwlLqEYHLjtichGWankK8yqmocReITecmpB1H0aOabeESueyy+8X1gyJx4ftZVwo9hqQ4O3fPWffCA==}
 
@@ -5313,6 +5323,10 @@ snapshots:
 
   '@types/ms@2.1.0': {}
 
+  '@types/node@20.19.21':
+    dependencies:
+      undici-types: 6.21.0
+
   '@types/node@22.13.8':
     dependencies:
       undici-types: 6.20.0
@@ -5325,6 +5339,8 @@ snapshots:
 
   '@types/web-bluetooth@0.0.20': {}
 
+  '@types/whatwg-mimetype@3.0.2': {}
+
   '@typescript-eslint/eslint-plugin@8.25.0(@typescript-eslint/parser@8.25.0(eslint@9.21.0(jiti@1.21.7))(typescript@5.8.2))(eslint@9.21.0(jiti@1.21.7))(typescript@5.8.2)':
     dependencies:
       '@eslint-community/regexpp': 4.12.1
@@ -6447,10 +6463,10 @@ snapshots:
       section-matter: 1.0.0
       strip-bom-string: 1.0.0
 
-  happy-dom@14.12.3:
+  happy-dom@20.0.2:
     dependencies:
-      entities: 4.5.0
-      webidl-conversions: 7.0.0
+      '@types/node': 20.19.21
+      '@types/whatwg-mimetype': 3.0.2
       whatwg-mimetype: 3.0.0
 
   has-bigints@1.1.0: {}
@@ -7622,6 +7638,8 @@ snapshots:
 
   undici-types@6.20.0: {}
 
+  undici-types@6.21.0: {}
+
   unhead@1.11.20:
     dependencies:
       '@unhead/dom': 1.11.20
@@ -7828,7 +7846,7 @@ snapshots:
       fsevents: 2.3.3
       terser: 5.39.0
 
-  vitest@2.1.9(@types/node@22.13.8)(happy-dom@14.12.3)(jsdom@24.1.3)(terser@5.39.0):
+  vitest@2.1.9(@types/node@22.13.8)(happy-dom@20.0.2)(jsdom@24.1.3)(terser@5.39.0):
     dependencies:
       '@vitest/expect': 2.1.9
       '@vitest/mocker': 2.1.9(vite@5.4.14(@types/node@22.13.8)(terser@5.39.0))
@@ -7852,7 +7870,7 @@ snapshots:
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/node': 22.13.8
-      happy-dom: 14.12.3
+      happy-dom: 20.0.2
       jsdom: 24.1.3
     transitivePeerDependencies:
       - less