Find roundcube version provided by the cPanel and upgrade the roundcube

How to find roundcube version provided by the cPanel?The roundcube version provided by the cPanel is 0.5.4.
===
-bash-3.2# cat /var/cpanel/roundcube/version
0.5.4.cp11130.1-bash-3.2#
===cPanel dicument regarding the roundcube
====
http://docs.cpanel.net/twiki/bin/view/AllDocumentation/RoundcubeReadme
====

Upgrade rouncube version

/usr/local/cpanel/bin/update-roundcube –force
cd /usr/local/cpanel/base/3rdparty/
mv roundcube roundcube-backup
wget http://softlayer.dl.sourceforge.net/project/roundcubemail/roundcubemail/0.6/roundcubemail-0.6.tar.gz
tar -zxf roundcubemail-0.6.tar.gz
mv roundcubemail-0.6 roundcube
cp roundcube-backup/config/main.inc.php roundcube/config/
cp roundcube-backup/config/db.inc.php roundcube/config/
chown root:wheel -R roundcube
cd roundcube/config
chown cpanelroundcube:cpanelroundcube db.inc.php
chown cpanelroundcube:cpanelroundcube main.inc.php
echo > /var/cpanel/roundcube/install
chmod +x /var/cpanel/roundcube/install