You can always debootstrap the most current stable (here, dapper) then update your pbuilder using --override-config.
** Changed in: debootstrap (Ubuntu) Importance: Untriaged => Wishlist -- Update debootstrap scripts to include development version when it becomes available. https://launchpad.net/bugs/57327 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
