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: Joseph Herlant <firstname.lastname@example.org>
Date: Thu Sep 13 18:33:45 2018 -0700
d/changelog & d/control: fix lintian complain about file-contains-trailing-whitespace