diff --git a/web/backend/package.json b/web/backend/package.json
index 01a4193..7488a8c 100644
--- a/web/backend/package.json
+++ b/web/backend/package.json
@@ -14,7 +14,7 @@
 		"@cloudflare/workers-types": "^4.20260412.1",
 		"tsx": "^4.20.6",
 		"typescript": "^6.0.2",
-		"vitest": "~4.1.2",
+		"vitest": "~5.0.0",
 		"wrangler": "^4.81.1"
 	},
 	"dependencies": {