diff --git a/packages/whatsapp-mcp/package.json b/packages/whatsapp-mcp/package.json
index 07c4449..795e399 100644
--- a/packages/whatsapp-mcp/package.json
+++ b/packages/whatsapp-mcp/package.json
@@ -84,7 +84,7 @@
     "tsup": "^8.5.1",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.59.2",
-    "vitest": "^2.1.9"
+    "vitest": "^4.1.6"
   },
   "dependencies": {
     "@dojocoding/whatsapp-sdk": "workspace:*",