diff --git a/package-lock.json b/package-lock.json
index 7354a4167..548dab779 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "@vitest/coverage-v8": "^4.1.11",
         "@vue/test-utils": "^2.4.11",
         "@vue/tsconfig": "^0.9.1",
-        "happy-dom": "^20.11.2",
+        "happy-dom": "^20.14.3",
         "stylelint": "^17.14.1",
         "typescript": "^6.0.3",
         "vite": "^7.3.6",
@@ -7110,9 +7110,9 @@
       "dev": true
     },
     "node_modules/happy-dom": {
-      "version": "20.11.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.11.2.tgz",
-      "integrity": "sha512-7MB+bJLkxu3SowAfBJbjW+c55kNz5tkR45gu2qzrxznezhLeN5YIlJbwUgSzlGc+qWoZ8Ykg71H5ezz69xixrw==",
+      "version": "20.14.3",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.14.3.tgz",
+      "integrity": "sha512-0KMb/Eh8rsd+aMNkOk5h8LkAjo9Na1aksnEGmsuZf+GXl6UkAdIi0VbUHU7d59lXhNmawODgwwuCMiZpCxwwCw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -18033,9 +18033,9 @@
       "dev": true
     },
     "happy-dom": {
-      "version": "20.11.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.11.2.tgz",
-      "integrity": "sha512-7MB+bJLkxu3SowAfBJbjW+c55kNz5tkR45gu2qzrxznezhLeN5YIlJbwUgSzlGc+qWoZ8Ykg71H5ezz69xixrw==",
+      "version": "20.14.3",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.14.3.tgz",
+      "integrity": "sha512-0KMb/Eh8rsd+aMNkOk5h8LkAjo9Na1aksnEGmsuZf+GXl6UkAdIi0VbUHU7d59lXhNmawODgwwuCMiZpCxwwCw==",
       "dev": true,
       "requires": {
         "@types/node": ">=20.0.0",
diff --git a/package.json b/package.json
index 4d5f93b17..2210e068c 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "@vitest/coverage-v8": "^4.1.11",
     "@vue/test-utils": "^2.4.11",
     "@vue/tsconfig": "^0.9.1",
-    "happy-dom": "^20.11.2",
+    "happy-dom": "^20.14.3",
     "stylelint": "^17.14.1",
     "typescript": "^6.0.3",
     "vite": "^7.3.6",