Can you these days? In the past, Apple released new versions of Safari
for some OS levels but not for others. Looking at the current state of
things & recent history here looks promising, but I recall getting
burned by this in the past and having to ...
This video is a bit out-dated so some of the steps/names have changed
slightly but it covers the process pretty well IMO:
https://www.youtube.com/watch?v=yW1xcyjpEiA