If you want to take advantage of the latest jetbackup offering. Below are the steps to perform
Per the Jetapps Documentation located below
Prepare the environment for JetApps.
yum install http://repo.jetlicense.com/centOS/jetapps-repo-latest.rpm yum clean all --enablerepo=jetapps* yum install jetapps --disablerepo=* --enablerepo=jetapps
Then you will run the following command to install Jetbackup for cPanel.
jetapps --install jetbackup-cpanel stable
If you are migrating from Jetbackup 4, please read the following documentation and note that some of the destinations that were available previously on Jetbackup 4 may not be available on Jetbackup 5
Destination Updates for Jetbackup 5