diff --git a/clients/web/package.json b/clients/web/package.json
index 814ba287..8255d234 100644
--- a/clients/web/package.json
+++ b/clients/web/package.json
@@ -22,7 +22,7 @@
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@vitejs/plugin-react": "^4.3.0",
-    "happy-dom": "^20.9.0",
+    "happy-dom": "^21.0.3",
     "typescript": "^5.7.0",
     "vite": "^6.0.0"
   }