Upgrade the YugabyteDB software
The YugabyteDB release that is powering a universe can be upgraded to get the new features and fixes included in the release.
You can perform a rolling upgrade on a live universe deployment as follows:
Navigate to Universes and select your universe.
Click Actions > Upgrade Software.
In the Upgrade Software dialog, ensure that Rolling Upgrade is enabled, define the delay between servers or accept the default value, and then use the Server Version field to select the new YugabyteDB version, as per the following illustration: