diff --git a/package.json b/package.json
index 18fc128..5b4606b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "esbuild": "^0.24.2",
     "tsx": "^4.19.2",
     "typescript": "^5.7.2",
-    "vitest": "^2.1.8",
+    "vitest": "^4.1.8",
     "wrangler": "^3.95.0"
   },
   "engines": {