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: Debian Janitor <firstname.lastname@example.org>
Date: Wed Aug 18 10:43:02 2021 +0000
Remove constraints unnecessary since buster
* Build-Depends: Drop versioned constraint on gem2deb.