diff --git a/package.json b/package.json
index 0b8575d..d457b91 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
   "devDependencies": {
     "@types/node": "^22.10.0",
     "@types/ws": "^8.18.1",
-    "@vitest/coverage-v8": "^2.1.8",
+    "@vitest/coverage-v8": "^4.0.18",
     "eslint": "^9.17.0",
     "tsx": "^4.19.2",
     "typescript": "^5.7.2",