As far as I know, Hackage does not enforce control of a given package at all. You can just have the new maintainer upload a new version of the package, changing the maintainer field of the .cabal file.

On Jun 19, 2013 7:10 AM, "Corentin Dupont" <corentin.dupont@gmail.com> wrote:
Hi Cafe,
How to hand over the maintenance of a hackage package?
Thanks
Corentin

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