diff --git a/apps/intershop/package-lock.json b/apps/intershop/package-lock.json
index 0866ead7d..32a3dfc2f 100644
--- a/apps/intershop/package-lock.json
+++ b/apps/intershop/package-lock.json
@@ -26,7 +26,7 @@
         "@types/react": "18.3.12",
         "@types/react-dom": "18.3.1",
         "@vitejs/plugin-react": "^4.3.3",
-        "happy-dom": "^14.12.3",
+        "happy-dom": "^15.11.6",
         "typescript": "5.7.2",
         "vite": "^5.4.11",
         "vitest": "^2.1.5"
@@ -3638,17 +3638,18 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "14.12.3",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-14.12.3.tgz",
-      "integrity": "sha512-vsYlEs3E9gLwA1Hp+w3qzu+RUDFf4VTT8cyKqVICoZ2k7WM++Qyd2LwzyTi5bqMJFiIC/vNpTDYuxdreENRK/g==",
+      "version": "15.11.6",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.11.6.tgz",
+      "integrity": "sha512-elX7iUTu+5+3b2+NGQc0L3eWyq9jKhuJJ4GpOMxxT/c2pg9O3L5H3ty2VECX0XXZgRmmRqXyOK8brA2hDI6LsQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "entities": "^4.5.0",
         "webidl-conversions": "^7.0.0",
         "whatwg-mimetype": "^3.0.0"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=18.0.0"
       }
     },
     "node_modules/has-flag": {
diff --git a/apps/intershop/package.json b/apps/intershop/package.json
index 3febd3bc8..288e18a9e 100644
--- a/apps/intershop/package.json
+++ b/apps/intershop/package.json
@@ -44,7 +44,7 @@
     "@types/react": "18.3.12",
     "@types/react-dom": "18.3.1",
     "@vitejs/plugin-react": "^4.3.3",
-    "happy-dom": "^14.12.3",
+    "happy-dom": "^15.11.6",
     "typescript": "5.7.2",
     "vite": "^5.4.11",
     "vitest": "^2.1.5"