diff --git a/package.json b/package.json
index 40b1590..4d2f430 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
   "dependencies": {
     "@ai-sdk/vercel": "^0.0.3",
     "@modelcontextprotocol/sdk": "^1.17.0",
-    "@vitest/coverage-v8": "^3.2.4",
+    "@vitest/coverage-v8": "^4.0.16",
     "ai": "^4.3.19",
     "date-fns": "^4.1.0",
     "dotenv": "^17.2.1",