It’s a community maintained repo. The possibility of updating it yourself is possible. The master branch is updated to the 1.59.124, which came out a week ago. And was updated around the same time. 1.60.110 was just released 1 day ago. You can update it yourself. After all, it’s supposed to give you a great default state to fall back to, not keep you on the bleeding edge of releases.
Atemu