Debian repository software

Hi, I wonder if I can get some advice from the list? I want to run a little Debian repository -- but I have a requirement which seems to be missing from the software tried so far. I want the repository to maintain multiple versions of the same package. ie. So I could do this: dput my-package_1.00-1_all.deb dput my-package_1.11-1_all.deb dput my-package_2.00-1_all.deb And then on a machine using my repo, be able to say something like: aptitude install my-package (> 1.10 & < 1.99) while on another machine, say: aptitude install my-package (>= 2.00) So far, repo management software I've seen will purge the older version out when you upload a new one. Any thoughts? Thanks, Toby