diff --git a/package-lock.json b/package-lock.json
index b2f2915b..91bd14b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,7 @@
         "@vue/test-utils": "^2.4.6",
         "@vue/tsconfig": "^0.8.1",
         "browserslist": "^4.28.1",
-        "happy-dom": "^20.0.11",
+        "happy-dom": "^20.1.0",
         "typescript": "^5.9.3",
         "vite": "^7.3.0",
         "vitest": "^4.0.13"
@@ -2736,6 +2736,16 @@
       "resolved": "https://registry.npmjs.org/@types/ms/-/ms-0.7.33.tgz",
       "integrity": "sha512-AuHIyzR5Hea7ij0P9q7vx7xu4z0C28ucwjAZC0ja7JhINyCnOw8/DnvAPQQ9TfOlCtZAmCERKQX9+o1mgQhuOQ=="
     },
+    "node_modules/@types/node": {
+      "version": "25.0.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.0.5.tgz",
+      "integrity": "sha512-FuLxeLuSVOqHPxSN1fkcD8DLU21gAP7nCKqGRJ/FglbCUBs0NYN6TpHcdmyLeh8C0KwGIaZQJSv+OYG+KZz+Gw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~7.16.0"
+      }
+    },
     "node_modules/@types/semver": {
       "version": "7.7.0",
       "resolved": "https://registry.npmjs.org/@types/semver/-/semver-7.7.0.tgz",
@@ -2778,6 +2788,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/ws": {
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
+      "integrity": "sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.48.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.48.0.tgz",
@@ -5990,15 +6010,17 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "20.0.11",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.11.tgz",
-      "integrity": "sha512-QsCdAUHAmiDeKeaNojb1OHOPF7NjcWPBR7obdu3NwH2a/oyQaLg5d0aaCy/9My6CdPChYF07dvz5chaXBGaD4g==",
+      "version": "20.1.0",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.1.0.tgz",
+      "integrity": "sha512-ebvqjBqzenBk2LjzNEAzoj7yhw7rW/R2/wVevMu6Mrq3MXtcI/RUz4+ozpcOcqVLEWPqLfg2v9EAU7fFXZUUJw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/node": "^20.0.0",
         "@types/whatwg-mimetype": "^3.0.2",
-        "whatwg-mimetype": "^3.0.0"
+        "@types/ws": "^8.18.1",
+        "whatwg-mimetype": "^3.0.0",
+        "ws": "^8.18.3"
       },
       "engines": {
         "node": ">=20.0.0"
@@ -10030,6 +10052,13 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/undici-types": {
+      "version": "7.16.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/unified": {
       "version": "11.0.5",
       "resolved": "https://registry.npmjs.org/unified/-/unified-11.0.5.tgz",
@@ -11349,6 +11378,28 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/ws": {
+      "version": "8.19.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.19.0.tgz",
+      "integrity": "sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/xml-name-validator": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-4.0.0.tgz",
diff --git a/package.json b/package.json
index afe03865..ac2df7f8 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@vue/test-utils": "^2.4.6",
     "@vue/tsconfig": "^0.8.1",
     "browserslist": "^4.28.1",
-    "happy-dom": "^20.0.11",
+    "happy-dom": "^20.1.0",
     "typescript": "^5.9.3",
     "vite": "^7.3.0",
     "vitest": "^4.0.13"