diff --git a/package.json b/package.json
index f0aa649..4859710 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@types/node": "^22.0.0",
     "tsup": "^8.0.0",
     "typescript": "^5.4.0",
-    "vitest": "^2.0.0",
+    "vitest": "^4.1.4",
     "@vitest/coverage-v8": "^2.0.0"
   }
 }