# Upgrade - Headscale
An open source, self-hosted implementation of the Tailscale control server.
Author: Headscale authors

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# Upgrade an existing installation

An existing headscale installation can be updated to a new version:

- Read the announcement on the GitHub releases page for the new version. It lists the changes of the release along with possible breaking changes.
- Create a backup of your database.
- Update headscale to the new version, preferably by following the same installation method.
- Compare and update the configuration file.
- Restart headscale.