diff --git a/services/backend/package.json b/services/backend/package.json
index 22ebbc7e6..6d7aa86f3 100644
--- a/services/backend/package.json
+++ b/services/backend/package.json
@@ -77,7 +77,7 @@
     "ts-node": "^10.9.2",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.49.0",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.15",
     "webpack": "^5.101.3",
     "webpack-cli": "^6.0.1",
     "webpack-node-externals": "^3.0.0"