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: Christos Trochalakis <email@example.com>
Date: Wed Mar 14 20:38:12 2018 +0200
Disable debian/watch since upstream doesn't tag releases
uscan complains for not finding matching releases while searching
Github's tag page.