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: Simon McVittie <firstname.lastname@example.org>
Date: Sun Sep 15 15:28:08 2019 +0100
d/tests/build: Return G_SOURCE_REMOVE from timeout callback
Not returning anything from a function with a return type is undefined