Outdated ClamAV warning in log

[emx]

The following entry keeps coming in the log file freshclam.log
Should I leave it, or manually upgrade clamav?

Received signal: wake up
ClamAV update process started at Mon Jul 16 14:22:27 2007
SECURITY WARNING: NO SUPPORT FOR DIGITAL SIGNATURES
See the FAQ at Clam AntiVirus for an explanation.
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.90.2 Recommended version: 0.91
DON'T PANIC! Read Clam AntiVirus
main.cvd is up to date (version: 43, sigs: 104500, f-level: 14, builder: sven)
Downloading daily-3681.cdiff [100%]
daily.inc updated (version: 3681, sigs: 33532, f-level: 16, builder: ccordes)
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Current functionality level = 15, recommended = 16
DON'T PANIC! Read Clam AntiVirus
Database updated (138032 signatures) from db.us.clamav.net (IP: 64.186.240.114)
Clamd successfully notified about the update.

[mmorse]

-approved post

Most just ignore it and wait for a build release.
However, there's always: Updating CLAMAV - ZimbraWiki