CentOS 6.5 has just been released.

To update to CentOS 6.5, run the following command as root:

yum clean all && yum update

Be sure to review the list of updates before accepting.

If no updates are found, the yum mirror that you’re using may not synched yet. Try updating again in a few hours.

You can find the CentOS 6.5 Release Notes here.