Prerequisite
WHM root log-in is required
Procedure
Step 1: Log in to your WHM root account.
Step 2: Find the Search Tools bar on the top left corner
Step 3: Search for cPanel in the Search box
Step 4: Select the Upgrade to Latest Version on the cPanel section
Step 5: Click the Click to Upgrade button to start the upgrade process.
It will show the upgradation process bar.
Step 6: Once the process is completed, Click on the WHM logo to refresh the WHM.
Now the cPanel is up-to-date.