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: David Prévot <firstname.lastname@example.org>
Date: Sat Aug 24 11:32:05 2019 -1000
Use DEB_VERSION_UPSTREAM instead of dpkg-parsechangelog