Update index.mdx

docs/02-app/01-building-your-application/09-authentication/index.mdx

@@ -850,8 +850,9 @@ Here are authentication solutions compatible with Next.js, please refer to the q
 {/* TODO: Change link to authjs.dev when new documentation is ready */}
 
 - [Auth0](https://auth0.com/docs/quickstart/webapp/nextjs/01-login)
+- [Auth.js](https://authjs.dev/guides/upgrade-to-v5)
 - [Clerk](https://clerk.com/docs/quickstarts/nextjs)
-- [NextAuth.js](https://authjs.dev/guides/upgrade-to-v5)
+- [Lucia](https://lucia-auth.com/getting-started/nextjs-app)
 - [Supabase](https://supabase.com/docs/guides/getting-started/quickstarts/nextjs)
 - [Stytch](https://stytch.com/docs/guides/quickstarts/nextjs)
 - [Iron Session](https://github.com/vvo/iron-session)