diff --git a/package.json b/package.json
index 9e7b08a..dc806d3 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "devDependencies": {
     "@types/node": "^26.2.0",
     "@vitest/coverage-v8": "^2.1.9",
-    "happy-dom": "^20.11.6",
+    "happy-dom": "^20.11.12",
     "typescript": "^6.0.3",
     "vite": "^8.2.2",
     "vitest": "^2.1.9"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a6259ad..3af4f6e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -13,10 +13,10 @@ importers:
         version: 26.2.0
       '@vitest/coverage-v8':
         specifier: ^2.1.9
-        version: 2.1.9(vitest@2.1.9(@types/node@26.2.0)(happy-dom@20.11.6)(lightningcss@1.33.0))
+        version: 2.1.9(vitest@2.1.9(@types/node@26.2.0)(happy-dom@20.11.12)(lightningcss@1.33.0))
       happy-dom:
-        specifier: ^20.11.6
-        version: 20.11.6
+        specifier: ^20.11.12
+        version: 20.11.12
       typescript:
         specifier: ^6.0.3
         version: 6.0.3
@@ -25,7 +25,7 @@ importers:
         version: 8.2.2(@types/node@26.2.0)
       vitest:
         specifier: ^2.1.9
-        version: 2.1.9(@types/node@26.2.0)(happy-dom@20.11.6)(lightningcss@1.33.0)
+        version: 2.1.9(@types/node@26.2.0)(happy-dom@20.11.12)(lightningcss@1.33.0)
 
 packages:
 
@@ -635,8 +635,8 @@ 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:
@@ -1298,7 +1298,7 @@ snapshots:
     dependencies:
       '@types/node': 26.2.0
 
-  '@vitest/coverage-v8@2.1.9(vitest@2.1.9(@types/node@26.2.0)(happy-dom@20.11.6)(lightningcss@1.33.0))':
+  '@vitest/coverage-v8@2.1.9(vitest@2.1.9(@types/node@26.2.0)(happy-dom@20.11.12)(lightningcss@1.33.0))':
     dependencies:
       '@ampproject/remapping': 2.3.0
       '@bcoe/v8-coverage': 0.2.3
@@ -1312,7 +1312,7 @@ snapshots:
       std-env: 3.10.0
       test-exclude: 7.0.2
       tinyrainbow: 1.2.0
-      vitest: 2.1.9(@types/node@26.2.0)(happy-dom@20.11.6)(lightningcss@1.33.0)
+      vitest: 2.1.9(@types/node@26.2.0)(happy-dom@20.11.12)(lightningcss@1.33.0)
     transitivePeerDependencies:
       - supports-color
 
@@ -1479,7 +1479,7 @@ snapshots:
       package-json-from-dist: 1.0.1
       path-scurry: 1.11.1
 
-  happy-dom@20.11.6:
+  happy-dom@20.11.12:
     dependencies:
       '@types/node': 26.2.0
       '@types/whatwg-mimetype': 3.0.2
@@ -1789,7 +1789,7 @@ snapshots:
       '@types/node': 26.2.0
       fsevents: 2.3.3
 
-  vitest@2.1.9(@types/node@26.2.0)(happy-dom@20.11.6)(lightningcss@1.33.0):
+  vitest@2.1.9(@types/node@26.2.0)(happy-dom@20.11.12)(lightningcss@1.33.0):
     dependencies:
       '@vitest/expect': 2.1.9
       '@vitest/mocker': 2.1.9(vite@5.4.21(@types/node@26.2.0)(lightningcss@1.33.0))
@@ -1813,7 +1813,7 @@ 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:
       - less
       - lightningcss