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: Ondřej Nový <email@example.com>
Date: Fri Apr 20 16:03:58 2018 +0200
d/control: Unify Maintainer field to Debian Multimedia Maintainers