There are some systems that you do not wish to have some packages not be updated automatically when yum updates occur.
We also have some packages that are excluded by default by cPanel configuration that will already exist in the yum configuration.
The exlcude line is found inside of your yum.conf file:
Use your preferred command line edited to edit the file. You would want to add the package you wish to include to the end of the line of the existing package, separated by spaces.