diff --git a/packages/test-suite/package.json b/packages/test-suite/package.json
index 6675c1e..1a7f9ba 100644
--- a/packages/test-suite/package.json
+++ b/packages/test-suite/package.json
@@ -57,7 +57,7 @@
     "dotenv-cli": "^11.0.0",
     "tsdown": "^0.11.9",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.3"
+    "vitest": "^4.0.16"
   },
   "engines": {
     "node": ">=18.0.0"