[horde] Upgrade Failed to 5.2.7

[grupo correo]

HI all.

We have a problem upgrading our environmet to Horde Groupware 5.2.7. Our
version is 5.2.2 and when we run "pear upgrade -a -B -c horde" all packages
are download, but horde-5.2.6.tgz not with this error

downloading horde-5.2.6.tgz ...
Starting to download horde-5.2.6.tgz (2,910,480 bytes)
....done: 100 bytes
Could not get contents of package "/tmp/pear/download/horde-5.2.6.tgz".
Invalid tgz file.
Download of "horde/horde" succeeded, but it is not a valid package archive
Error: cannot download "horde/horde"
downloading webmail-5.2.7.tgz ...
Starting to download webmail-5.2.7.tgz (157,384 bytes)
...done: 157,384 bytes
horde/webmail requires package "horde/horde" (version >= 5.2.6, version <=
6.0.0alpha1, excluded versions: 6.0.0alpha1), installed version is 5.2.1
Download failed
upgrade failed

Am i doing something wrong?

Thanks a lot.

Regards.