# Upgrading from version 12.x
If you have Enhance 11.x
, please follow this guide instead.
If you have Enhance 12.0.0
or above, upgrading Enhance is easier than ever. As root, run:
apt update
apt upgrade
Do this on every server, starting with the control panel server.
If you see 404 errors from the MariaDB repository, you can fix this by running:
rm /var/lib/apt/lists/*mariadb*
apt update
apt upgrade