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: Antonio Terceiro <firstname.lastname@example.org>
Date: Sun Oct 31 23:30:54 2021 -0300
debian/rules: replace DH_RUBY_GEM_INSTALL_BLACKLIST_APPEND with DH_RUBY_GEM_INSTALL_EXCLUDE
This requires gem2deb >= 1.6