diff --git a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/composition-api/package.json b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/composition-api/package.json
index a947de3f..feebf8ca 100644
--- a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/composition-api/package.json
+++ b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/composition-api/package.json
@@ -17,7 +17,7 @@
     "@vue/compiler-dom": "^3.2.45",
     "@vue/runtime-core": "^3.2.45",
     "@vue/test-utils": "^2.2.7",
-    "happy-dom": "^15.10.1",
+    "happy-dom": "^20.0.0",
     "tsup": "^8.5.0",
     "typescript": "^4.9.4",
     "vite": "^7.1.5",
diff --git a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/mixin/package.json b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/mixin/package.json
index b034859f..1791ceca 100644
--- a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/mixin/package.json
+++ b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/mixin/package.json
@@ -16,7 +16,7 @@
     "@vue/compiler-dom": "^3.2.45",
     "@vue/runtime-core": "^3.2.45",
     "@vue/test-utils": "^2.2.7",
-    "happy-dom": "^15.10.1",
+    "happy-dom": "^20.0.0",
     "tsup": "^8.5.0",
     "typescript": "^4.9.4",
     "vite": "^7.1.5",
diff --git a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/package.json b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/package.json
index 97f75cd1..b2ee673a 100644
--- a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/package.json
+++ b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/package.json
@@ -45,7 +45,7 @@
     "@types/node": "^18.11.18",
     "@vitest/coverage-c8": "^0.27.1",
     "@vue/compiler-dom": "^3.2.45",
-    "happy-dom": "^15.10.1",
+    "happy-dom": "^20.0.0",
     "husky": "^8.0.3",
     "lint-staged": "^13.1.0",
     "nx": "^15.5.1",
diff --git a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/plugin/package.json b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/plugin/package.json
index ab7c2f4d..838a73c1 100644
--- a/EssentialCSharp.Web/wwwroot/lib/vue-window-size/plugin/package.json
+++ b/EssentialCSharp.Web/wwwroot/lib/vue-window-size/plugin/package.json
@@ -16,7 +16,7 @@
     "@vue/compiler-dom": "^3.2.45",
     "@vue/runtime-core": "^3.2.45",
     "@vue/test-utils": "^2.2.7",
-    "happy-dom": "^15.10.1",
+    "happy-dom": "^20.0.0",
     "tsup": "^8.5.0",
     "typescript": "^4.9.4",
     "vite": "^7.1.5",