# iRedMail - Upgrade Core + from Debian 12 to 13

[TOC]

## Sources:

- [iRedMail - Upgrade Core + from Debian 12 to 13](http://docs.iredmail.org/upgrade.debian.12-13.ee.html)
- [Official Debian 12 to 13 guide](https://www.debian.org/releases/trixie/release-notes/upgrading.en.html)
- [Minor iRedMail update versions](https://docs.iredmail.org/iredmail.releases.html) OR [Migrate to a new server](https://docs.iredmail.org/migrate.to.new.iredmail.server.html)