diff --git a/package-lock.json b/package-lock.json
index 118c8e0e..c66f7ba9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
                 "eslint-plugin-vue": "^10.4.0",
                 "file-loader": "^6.2.0",
                 "fork-ts-checker-webpack-plugin": "^9.0.2",
-                "happy-dom": "^15.11.6",
+                "happy-dom": "^20.9.0",
                 "jiti": "^2.5.1",
                 "less": "^4.2.0",
                 "less-loader": "^12.2.0",
@@ -4270,6 +4270,13 @@
             "dev": true,
             "license": "MIT"
         },
+        "node_modules/@types/whatwg-mimetype": {
+            "version": "3.0.2",
+            "resolved": "https://registry.npmjs.org/@types/whatwg-mimetype/-/whatwg-mimetype-3.0.2.tgz",
+            "integrity": "sha512-c2AKvDT8ToxLIOUlN51gTiHXflsfIFisS4pO7pDPoKouJCESkhZnEy623gwP9laCy5lnLDAw1vAzu2vM2YLOrA==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/@types/ws": {
             "version": "8.18.1",
             "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
@@ -8331,31 +8338,21 @@
             "license": "MIT"
         },
         "node_modules/happy-dom": {
-            "version": "15.11.7",
-            "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.11.7.tgz",
-            "integrity": "sha512-KyrFvnl+J9US63TEzwoiJOQzZBJY7KgBushJA8X61DMbNsH+2ONkDuLDnCnwUiPTF42tLoEmrPyoqbenVA5zrg==",
+            "version": "20.9.0",
+            "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.9.0.tgz",
+            "integrity": "sha512-GZZ9mKe8r646NUAf/zemnGbjYh4Bt8/MqASJY+pSm5ZDtc3YQox+4gsLI7yi1hba6o+eCsGxpHn5+iEVn31/FQ==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
-                "entities": "^4.5.0",
-                "webidl-conversions": "^7.0.0",
-                "whatwg-mimetype": "^3.0.0"
+                "@types/node": ">=20.0.0",
+                "@types/whatwg-mimetype": "^3.0.2",
+                "@types/ws": "^8.18.1",
+                "entities": "^7.0.1",
+                "whatwg-mimetype": "^3.0.0",
+                "ws": "^8.18.3"
             },
             "engines": {
-                "node": ">=18.0.0"
-            }
-        },
-        "node_modules/happy-dom/node_modules/entities": {
-            "version": "4.5.0",
-            "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
-            "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
-            "dev": true,
-            "license": "BSD-2-Clause",
-            "engines": {
-                "node": ">=0.12"
-            },
-            "funding": {
-                "url": "https://github.com/fb55/entities?sponsor=1"
+                "node": ">=20.0.0"
             }
         },
         "node_modules/has-flag": {
@@ -13944,16 +13941,6 @@
                 "minimalistic-assert": "^1.0.0"
             }
         },
-        "node_modules/webidl-conversions": {
-            "version": "7.0.0",
-            "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
-            "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==",
-            "dev": true,
-            "license": "BSD-2-Clause",
-            "engines": {
-                "node": ">=12"
-            }
-        },
         "node_modules/webpack": {
             "version": "5.106.2",
             "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.106.2.tgz",
diff --git a/package.json b/package.json
index f5fe6080..c72e12af 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
         "eslint-plugin-vue": "^10.4.0",
         "file-loader": "^6.2.0",
         "fork-ts-checker-webpack-plugin": "^9.0.2",
-        "happy-dom": "^15.11.6",
+        "happy-dom": "^20.9.0",
         "jiti": "^2.5.1",
         "less": "^4.2.0",
         "less-loader": "^12.2.0",