[Comm] signatures in branch 4.1

[Andriy Dobrovol`s`kii]

Hi,
Почему апт при попытке обновить бранч 4.1 жалуется на подписи?
Failed to fetch
ftp://ftp.linux.kiev.ua/pub/Linux/ALT/4.1/branch/i586/base/release
Signature fingerprint of Release file does not match (expected
62A18AD809AD1DDA342978242913F6A180EF7625
49B01E70C64124E6742EAE7195C584D5AE4AE412, got
64032F109FD0C4331F572CC0DC9E95C2231114B3)
Failed to fetch
ftp://ftp.linux.kiev.ua/pub/Linux/ALT/4.1/branch/noarch/base/release
Signature fingerprint of Release file does not match (expected
62A18AD809AD1DDA342978242913F6A180EF7625
49B01E70C64124E6742EAE7195C584D5AE4AE412, got
64032F109FD0C4331F572CC0DC9E95C2231114B3)
Reading Package Lists... Done
Building Dependency Tree... Done
Как лечить?
-- 
Regards,
Andrii Dobrovol`s`kyj