Hoary repository problems

[Steve]

Has anyone else had problems recently with Hoary repositories?

After running sudo apt-get update:

W: GPG error: http://us.archive.ubuntu.com hoary-updates Release: The
following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu
Archive Automatic Signing Key <ftpmaster at ubuntu.com>
W: GPG error: http://us.archive.ubuntu.com hoary-backports Release:
The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu
Archive Automatic Signing Key <ftpmaster at ubuntu.com>

Has something changed with the Hoary repo's?

Thanks for any help.

-Steve.
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