Download Pidgin 2.5.0 (Ubuntu)
Pidgin is a multi-protocol Instant Messaging client that allows you to use all of your IM accounts at once. Download Pidgin 2.5.0 from here.
Oh, and to be able to install it in Ubuntu, make sure you remove pidgin, pidgin-data and libpurple0 to be able to install the new packages from the link above:
sudo apt-get remove pidgin pidgin-data libpurple0