diff --git a/package.json b/package.json
index 95334a0..bc9538f 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "typescript": "^5.7.2",
     "vite": "^6.0.0",
     "vite-plugin-dts": "^4.5.4",
-    "vitest": "^2.1.8"
+    "vitest": "^4.1.10"
   },
   "customElements": "custom-elements.json"
 }