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: Arturo Borrero Gonzalez <firstname.lastname@example.org>
Date: Tue Jul 7 10:36:47 2020 +0200
src:iptables: bump build-dep version on libnftnl to 1.1.6
This upstream release requires libnftnl >= 1.1.6.
Signed-off-by: Arturo Borrero Gonzalez <email@example.com>