diff --git a/package.json b/package.json
index 7e34763..d911d25 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",
     "globals": "^16.0.0",
-    "happy-dom": "^18.0.1",
+    "happy-dom": "^20.0.0",
     "typescript": "~5.8.3",
     "typescript-eslint": "^8.38.0",
     "vite": "^6.3.3",