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: Norbert Preining <firstname.lastname@example.org>
Date: Sun Jul 11 04:44:08 2021 +0900
bump symbol versions to ensure that now 0.7 version interfers