diff --git a/package.json b/package.json
index 744366c..2fc8e85 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,6 @@
     "@types/bun": "latest",
     "tsup": "^8.3.0",
     "typescript": "^5.7.2",
-    "vitest": "^2.1.8"
+    "vitest": "^4.1.4"
   }
 }