diff --git a/frontend/package.json b/frontend/package.json
index c263e96..cee38ef 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -51,7 +51,7 @@
     "@types/node": "25.5.0",
     "@vitejs/plugin-vue": "6.0.5",
     "@vue/test-utils": "2.4.6",
-    "happy-dom": "20.8.4",
+    "happy-dom": "20.8.8",
     "prettier": "3.8.1",
     "vitest": "4.1.0",
     "vue-tsc": "3.2.5"