We have added heartbeat-2.0.4 for CentOS 4 into the testing repository at dev.centos.org.

Copy the testing CentOS-Testing.repo file from here:

http://dev.centos.org/centos/4/

to /etc/yum.repos.d/ , then use this command to install heartbeat:

yum --enablerepo=c4-testing install heartbeat

Report issues with this to the heartbeat-2.0 tracker here:

http://bugs.centos.org/view.php?id=1305