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: Timo Röhling <firstname.lastname@example.org>
Date: Thu Jun 3 13:01:07 2021 +0200
Set symlink for sphinx _static folder after dh_sphinxdoc