diff --git a/services/backend/package.json b/services/backend/package.json
index 852523e0a..0e984973d 100644
--- a/services/backend/package.json
+++ b/services/backend/package.json
@@ -76,7 +76,7 @@
     "ts-node": "^10.9.2",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.44.1",
-    "vitest": "^3.2.3",
+    "vitest": "^4.0.4",
     "webpack": "^5.101.3",
     "webpack-cli": "^6.0.1",
     "webpack-node-externals": "^3.0.0"