---
title: Upgrading
description: Learn how to upgrade to the latest versions of Next.js.
url: "https://nextjs.org/docs/14/pages/building-your-application/upgrading"
docs_index: /docs/14/pages/llms.txt
lastUpdated: 2024-01-25
prerequisites:
  - "Building Your Application: /docs/14/pages/building-your-application"
---

> For an index of all documentation, see [/docs/14/pages/llms.txt](/docs/14/pages/llms.txt).

Upgrade your application to newer versions of Next.js or migrate from the Pages Router to the App Router.

- [Codemods](/docs/14/pages/building-your-application/upgrading/codemods): Use codemods to upgrade your Next.js codebase when new features are released.
- [From Pages to App](/docs/14/pages/building-your-application/upgrading/app-router-migration): Learn how to upgrade your existing Next.js application from the Pages Router to the App Router.
- [Version 14](/docs/14/pages/building-your-application/upgrading/version-14): Upgrade your Next.js Application from Version 13 to 14.
- [Version 13](/docs/14/pages/building-your-application/upgrading/version-13): Upgrade your Next.js Application from Version 12 to 13.
- [Version 12](/docs/14/pages/building-your-application/upgrading/version-12): Upgrade your Next.js Application from Version 11 to Version 12.
- [Version 11](/docs/14/pages/building-your-application/upgrading/version-11): Upgrade your Next.js Application from Version 10 to Version 11.
- [Version 10](/docs/14/pages/building-your-application/upgrading/version-10): Upgrade your Next.js Application from Version 9 to Version 10.
- [Version 9](/docs/14/pages/building-your-application/upgrading/version-9): Upgrade your Next.js Application from Version 8 to Version 9.

---

For a semantic overview of all documentation, see [/sitemap.md](/sitemap.md)

For an index of all available documentation, see [/docs/14/pages/llms.txt](/docs/14/pages/llms.txt)