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: Andreas Tille <email@example.com>
Date: Mon Apr 9 13:31:21 2018 +0200
Remove undefined fields
The Vcs URL is using anonscm.debian.org. Please update it for the move to salsa.debian.org.