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: Sebastien Badia <firstname.lastname@example.org>
Date: Sat Mar 21 17:11:59 2020 +0100
d/copyright: Update license (thanks Michał)