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: Markus Koschany <firstname.lastname@example.org>
Date: Tue Oct 2 12:49:49 2018 +0200
Install png icon into hicolor icon directory.
The Vcs URL is using anonscm.debian.org. Please update it for the move to salsa.debian.org.