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: Petter Reinholdtsen <firstname.lastname@example.org>
Date: Sun Sep 30 07:55:46 2018 +0200
Changed Standards-Version from 4.1.4 to 4.2.1.