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: Stuart Prescott <email@example.com>
Date: Sat Dec 8 21:07:16 2018 +1100
Add patch for cross-buildable pkg-config
With thanks to Helmut Grohne for the patch