diff --git a/bun.lock b/bun.lock
index d55c8237..0645ddfb 100644
--- a/bun.lock
+++ b/bun.lock
@@ -251,6 +251,7 @@
         "@types/node": "^24.0.4",
         "@types/react": "^19.2.9",
         "@types/react-dom": "^19.2.3",
+        "happy-dom": "^20.9.0",
         "tailwindcss": "^4.1.11",
         "typescript": "^5.8.3",
         "wrangler": "^4.26.0",