OpenLiteSpeed was installed from the LiteSpeed repository, so you can simply use the system update to update OpenLiteSpeed to the latest stable version.
$ sudo apt-get update && sudo apt-get upgrade openlitespeed -y
Category:
OpenLiteSpeed
OpenLiteSpeed was installed from the LiteSpeed repository, so you can simply use the system update to update OpenLiteSpeed to the latest stable version.
$ sudo apt-get update && sudo apt-get upgrade openlitespeed -y