diff --git a/package.json b/package.json
index de7af14..ad36657 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@types/node": "^26.2.0",
     "@vitest/coverage-v8": "^3.2.6",
-    "happy-dom": "^20.11.6",
+    "happy-dom": "^20.11.12",
     "typescript": "^7.0.2",
     "vite": "^8.2.2",
     "vitest": "^3.2.6"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e697e1f..bc0d342 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -24,10 +24,10 @@ importers:
         version: 26.2.0
       '@vitest/coverage-v8':
         specifier: ^3.2.6
-        version: 3.2.7(vitest@3.2.7(@types/node@26.2.0)(happy-dom@20.11.6))
+        version: 3.2.7(vitest@3.2.7(@types/node@26.2.0)(happy-dom@20.11.12))
       happy-dom:
-        specifier: ^20.11.6
-        version: 20.11.6
+        specifier: ^20.11.12
+        version: 20.11.12
       typescript:
         specifier: ^7.0.2
         version: 7.0.2
@@ -36,7 +36,7 @@ importers:
         version: 8.2.2(@types/node@26.2.0)
       vitest:
         specifier: ^3.2.6
-        version: 3.2.7(@types/node@26.2.0)(happy-dom@20.11.6)
+        version: 3.2.7(@types/node@26.2.0)(happy-dom@20.11.12)
 
 packages:
 
@@ -466,8 +466,8 @@ packages:
     deprecated: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me
     hasBin: true
 
-  happy-dom@20.11.6:
-    resolution: {integrity: sha512-Hldbg8AdAa5a5oDcZpjqnGitp7JB0hqWmfv/8qr+kft4vzSD8BHsbdRfzYvL/0QcbKcURC/yyoygbeDQarPvYg==}
+  happy-dom@20.11.12:
+    resolution: {integrity: sha512-7+mrTTD+6fOG3dx0URrDLrCX8QDTE+YujSOQD4VPZcYze/yJ0vVhRKaIBTjqlk+R4NetxVz21odnevHYIjIJ+g==}
     engines: {node: '>=20.0.0'}
 
   has-flag@4.0.0:
@@ -992,7 +992,7 @@ snapshots:
   '@typescript/typescript-win32-x64@7.0.2':
     optional: true
 
-  '@vitest/coverage-v8@3.2.7(vitest@3.2.7(@types/node@26.2.0)(happy-dom@20.11.6))':
+  '@vitest/coverage-v8@3.2.7(vitest@3.2.7(@types/node@26.2.0)(happy-dom@20.11.12))':
     dependencies:
       '@ampproject/remapping': 2.3.0
       '@bcoe/v8-coverage': 1.0.2
@@ -1007,7 +1007,7 @@ snapshots:
       std-env: 3.10.0
       test-exclude: 7.0.2
       tinyrainbow: 2.0.0
-      vitest: 3.2.7(@types/node@26.2.0)(happy-dom@20.11.6)
+      vitest: 3.2.7(@types/node@26.2.0)(happy-dom@20.11.12)
     transitivePeerDependencies:
       - supports-color
 
@@ -1143,7 +1143,7 @@ snapshots:
       package-json-from-dist: 1.0.1
       path-scurry: 2.0.2
 
-  happy-dom@20.11.6:
+  happy-dom@20.11.12:
     dependencies:
       '@types/node': 26.2.0
       '@types/whatwg-mimetype': 3.0.2
@@ -1419,7 +1419,7 @@ snapshots:
       '@types/node': 26.2.0
       fsevents: 2.3.3
 
-  vitest@3.2.7(@types/node@26.2.0)(happy-dom@20.11.6):
+  vitest@3.2.7(@types/node@26.2.0)(happy-dom@20.11.12):
     dependencies:
       '@types/chai': 5.2.3
       '@vitest/expect': 3.2.7
@@ -1446,7 +1446,7 @@ snapshots:
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/node': 26.2.0
-      happy-dom: 20.11.6
+      happy-dom: 20.11.12
     transitivePeerDependencies:
       - '@vitejs/devtools'
       - esbuild