diff --git a/backend/package.json b/backend/package.json
index 7e932e7..b5c4310 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -56,6 +56,6 @@
     "ts-node": "^10.9.2",
     "tsx": "^4.19.2",
     "typescript": "^5.9.3",
-    "vitest": "^2.1.8"
+    "vitest": "^4.1.8"
   }
 }