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: Mo Zhou <firstname.lastname@example.org>
Date: Mon Feb 25 12:58:08 2019 +0000
Collect symbols update from buildd for ppc64el.
https://salsa.debian.org/api/v4/projects/science-team%2Fhighwayhash API request failed: 500 Internal Server Error at /srv/qa.debian.org/data/vcswatch/vcswatch line 387.