The latest version of LiteSpeed that comes up when running
/usr/local/lsws/admin/misc/lsup.sh -f -v 6.3.7 is still build 8 lol
So yes must be run: /usr/local/lsws/admin/misc/lsup.sh -f -v 6.3.7 -b 9
After runing this i can confirm, it does install build 9.