diff --git a/package-lock.json b/package-lock.json
index d9778ec..76b34b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@unhead/vue": "^2.0.19",
         "@vitejs/plugin-vue": "^5.2.4",
         "autoprefixer": "^10.4.19",
-        "happy-dom": "^15.11.7",
+        "happy-dom": "^20.0.2",
         "postcss": "^8.4.39",
         "tailwindcss": "^3.4.4",
         "vite": "^6.0.7",
@@ -1100,6 +1100,23 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/node": {
+      "version": "20.19.37",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.37.tgz",
+      "integrity": "sha512-8kzdPJ3FsNsVIurqBs7oodNnCEVbni9yUEkaHbgptDACOPW04jimGagZ51E6+lXUwJjgnBw+hyko/lkFWCldqw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
+    "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/@unhead/dom": {
       "version": "2.0.19",
       "resolved": "https://registry.npmjs.org/@unhead/dom/-/dom-2.0.19.tgz",
@@ -1861,18 +1878,18 @@
       }
     },
     "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": "20.0.2",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.2.tgz",
+      "integrity": "sha512-pYOyu624+6HDbY+qkjILpQGnpvZOusItCk+rvF5/V+6NkcgTKnbOldpIy22tBnxoaLtlM9nXgoqAcW29/B7CIw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "entities": "^4.5.0",
-        "webidl-conversions": "^7.0.0",
+        "@types/node": "^20.0.0",
+        "@types/whatwg-mimetype": "^3.0.2",
         "whatwg-mimetype": "^3.0.0"
       },
       "engines": {
-        "node": ">=18.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/hasown": {
@@ -3087,6 +3104,13 @@
       "integrity": "sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==",
       "license": "MIT"
     },
+    "node_modules/undici-types": {
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/unhead": {
       "version": "2.0.19",
       "resolved": "https://registry.npmjs.org/unhead/-/unhead-2.0.19.tgz",
diff --git a/package.json b/package.json
index 98c92eb..a79c0ff 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@unhead/vue": "^2.0.19",
     "@vitejs/plugin-vue": "^5.2.4",
     "autoprefixer": "^10.4.19",
-    "happy-dom": "^15.11.7",
+    "happy-dom": "^20.0.2",
     "postcss": "^8.4.39",
     "tailwindcss": "^3.4.4",
     "vite": "^6.0.7",