diff --git a/package.json b/package.json
index 73c9045..bb345bb 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "typescript": "5.8.3",
     "typescript-eslint": "^8.4.0",
     "vite": "^7.1.12",
-    "vitest": "^2.1.1",
+    "vitest": "^4.0.0",
     "@changesets/cli": "3.0.3"
   },
   "exports": {