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 Surý <firstname.lastname@example.org>
Date: Tue Feb 26 13:03:13 2019 +0000
Fix regex quoting in d/gbp.conf