The package is severely out of date with respect to the Debian
Policy. Latest version is 4.7.0
and your package only follows
3.9.6...
testing migration
This package will soon be part of the auto-openldap transition. You might want to ensure that your package is ready for it.
You can probably find supplementary information in the
debian-release
archives or in the corresponding
release.debian.org
bug.