You can run force -update command,
/usr/local/lslb/admin/misc/lsup.sh -f -v <version>
More, https://docs.litespeedtech.com/products/lsadc/commands/#miscellaneous-commands
FYI, the latest version is v3.x.x https://www.litespeedtech.com/products/litespeed-web-adc/release-log