this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: Gianfranco Costamagna <firstname.lastname@example.org>
Date: Mon Jul 15 13:22:10 2019 +0000
Update rules, when building on Ubuntu, use old libssh version