diff --git a/cod-server/package.json b/cod-server/package.json
index 6f26d8a..6a57896 100644
--- a/cod-server/package.json
+++ b/cod-server/package.json
@@ -53,7 +53,7 @@
     "fast-check": "^4.9.0",
     "miniflare": "^4.20260730.0",
     "typescript": "^7.0.2",
-    "vitest": "^4.1.11",
+    "vitest": "^5.0.0",
     "vitest-environment-miniflare": "^2.14.4",
     "wrangler": "^4.125.0"
   }