Archive signature is invalid

[Paolo Pisati <p.pisati@gmail.com>]

$ cat /etc/apt/sources.list.d/emdebian.list
deb http://emdebian.org/debian sid  main

$ apt-key list
...
pub   4096R/1804772E 2014-11-24
uid                  Emdebian Toolchain Archive (signing key)

pub   1024D/97BB3B58 2007-04-30 [revoked: 2014-11-24]
uid                  Emdebian Archive Signing Key

$ apt-get update
...
W: GPG error: http://emdebian.org sid InRelease: The following signatures were invalid: REVKEYSIG B5B7720097BB3B58 Emdebian Archive Signing Key

Please cc me as i'm offlist.

--

bye,

p.