diff --git a/manager/frontend/package.json b/manager/frontend/package.json
index 51a2b2a9..bc65b9db 100644
--- a/manager/frontend/package.json
+++ b/manager/frontend/package.json
@@ -33,7 +33,7 @@
     "@types/react": "19.2.18",
     "@types/react-dom": "19.2.7",
     "@vitejs/plugin-react": "6.1.1",
-    "happy-dom": "20.13.2",
+    "happy-dom": "21.0.4",
     "monocart-reporter": "2.12.6",
     "nyc": "18.0.0",
     "typescript": "7.0.2",