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: Rafael Laboissiere <firstname.lastname@example.org>
Date: Thu May 23 06:46:02 2019 -0300
d/copyright: Add AppStream file
Also, fix the name in the License field