diff --git a/packages/better-auth/package.json b/packages/better-auth/package.json
index e52842378d..3443f309d1 100644
--- a/packages/better-auth/package.json
+++ b/packages/better-auth/package.json
@@ -507,6 +507,7 @@
     "react-dom": "^18.0.0 || ^19.0.0",
     "solid-js": "^1.0.0",
     "svelte": "^4.0.0 || ^5.0.0",
+    "vitest": "^2.0.0 || ^3.0.0 || ^4.0.0",
     "vue": "^3.0.0"
   },
   "peerDependenciesMeta": {