diff --git a/package.json b/package.json
index 027408e..3a82ef5 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "@types/node": "^26.5.1",
     "@vitest/coverage-v8": "^2.1.9",
-    "happy-dom": "^20.14.0",
+    "happy-dom": "^20.14.3",
     "typescript": "^6.0.3",
     "vite": "^8.2.2",
     "vitest": "^2.1.9"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 885b9f8..0b66a69 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -20,10 +20,10 @@ importers:
         version: 26.5.1
       '@vitest/coverage-v8':
         specifier: ^2.1.9
-        version: 2.1.9(vitest@2.1.9(@types/node@26.5.1)(happy-dom@20.14.0)(lightningcss@1.33.0))
+        version: 2.1.9(vitest@2.1.9(@types/node@26.5.1)(happy-dom@20.14.3)(lightningcss@1.33.0))
       happy-dom:
-        specifier: ^20.14.0
-        version: 20.14.0
+        specifier: ^20.14.3
+        version: 20.14.3
       typescript:
         specifier: ^6.0.3
         version: 6.0.3
@@ -32,7 +32,7 @@ importers:
         version: 8.2.2(@types/node@26.5.1)
       vitest:
         specifier: ^2.1.9
-        version: 2.1.9(@types/node@26.5.1)(happy-dom@20.14.0)(lightningcss@1.33.0)
+        version: 2.1.9(@types/node@26.5.1)(happy-dom@20.14.3)(lightningcss@1.33.0)
 
 packages:
 
@@ -609,8 +609,8 @@ 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@20.14.0:
-    resolution: {integrity: sha512-4bRh1KzRvKDnFNTlLhzT1RZTpkKhQbQDl9j+7GXszWsvuspYdo29k6OHRf4PwiM6oLb8r/pMWeYiJjkfod5AvQ==}
+  happy-dom@20.14.3:
+    resolution: {integrity: sha512-0KMb/Eh8rsd+aMNkOk5h8LkAjo9Na1aksnEGmsuZf+GXl6UkAdIi0VbUHU7d59lXhNmawODgwwuCMiZpCxwwCw==}
     engines: {node: '>=20.0.0'}
 
   has-flag@4.0.0:
@@ -1261,7 +1261,7 @@ snapshots:
     dependencies:
       '@types/node': 26.5.1
 
-  '@vitest/coverage-v8@2.1.9(vitest@2.1.9(@types/node@26.5.1)(happy-dom@20.14.0)(lightningcss@1.33.0))':
+  '@vitest/coverage-v8@2.1.9(vitest@2.1.9(@types/node@26.5.1)(happy-dom@20.14.3)(lightningcss@1.33.0))':
     dependencies:
       '@ampproject/remapping': 2.3.0
       '@bcoe/v8-coverage': 0.2.3
@@ -1275,7 +1275,7 @@ snapshots:
       std-env: 3.10.0
       test-exclude: 7.0.2
       tinyrainbow: 1.2.0
-      vitest: 2.1.9(@types/node@26.5.1)(happy-dom@20.14.0)(lightningcss@1.33.0)
+      vitest: 2.1.9(@types/node@26.5.1)(happy-dom@20.14.3)(lightningcss@1.33.0)
     transitivePeerDependencies:
       - supports-color
 
@@ -1420,7 +1420,7 @@ snapshots:
       package-json-from-dist: 1.0.1
       path-scurry: 2.0.2
 
-  happy-dom@20.14.0:
+  happy-dom@20.14.3:
     dependencies:
       '@types/node': 26.5.1
       '@types/whatwg-mimetype': 3.0.2
@@ -1727,7 +1727,7 @@ snapshots:
       '@types/node': 26.5.1
       fsevents: 2.3.3
 
-  vitest@2.1.9(@types/node@26.5.1)(happy-dom@20.14.0)(lightningcss@1.33.0):
+  vitest@2.1.9(@types/node@26.5.1)(happy-dom@20.14.3)(lightningcss@1.33.0):
     dependencies:
       '@vitest/expect': 2.1.9
       '@vitest/mocker': 2.1.9(vite@5.4.21(@types/node@26.5.1)(lightningcss@1.33.0))
@@ -1751,7 +1751,7 @@ snapshots:
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/node': 26.5.1
-      happy-dom: 20.14.0
+      happy-dom: 20.14.3
     transitivePeerDependencies:
       - less
       - lightningcss