diff --git a/apps/intershop/package-lock.json b/apps/intershop/package-lock.json
index c1aaa5b49..45a395bc1 100644
--- a/apps/intershop/package-lock.json
+++ b/apps/intershop/package-lock.json
@@ -26,7 +26,7 @@
         "@types/react": "18.3.9",
         "@types/react-dom": "18.3.0",
         "@vitejs/plugin-react": "^4.3.1",
-        "happy-dom": "^14.12.3",
+        "happy-dom": "^15.7.4",
         "typescript": "5.6.2",
         "vite": "^5.4.8",
         "vitest": "^2.1.1"
@@ -3604,9 +3604,9 @@
       }
     },
     "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": "15.7.4",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.7.4.tgz",
+      "integrity": "sha512-r1vadDYGMtsHAAsqhDuk4IpPvr6N8MGKy5ntBo7tSdim+pWDxus2PNqOcOt8LuDZ4t3KJHE+gCuzupcx/GKnyQ==",
       "dev": true,
       "dependencies": {
         "entities": "^4.5.0",
@@ -3614,7 +3614,7 @@
         "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 c988833bc..c5011d5bc 100644
--- a/apps/intershop/package.json
+++ b/apps/intershop/package.json
@@ -44,7 +44,7 @@
     "@types/react": "18.3.9",
     "@types/react-dom": "18.3.0",
     "@vitejs/plugin-react": "^4.3.1",
-    "happy-dom": "^14.12.3",
+    "happy-dom": "^15.7.4",
     "typescript": "5.6.2",
     "vite": "^5.4.8",
     "vitest": "^2.1.1"