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: Sven Höxter <email@example.com>
Date: Fri Feb 28 12:03:49 2020 +0100
update manpage entry for dumpheap to add dumpfile
Clarify how dumpheap option works and that it requires a dumpfile name.