The version name only changes once a month. What really matters is the exact version you are on.
You can see on your admin dashboard when your site was updated. Mine says
which is before rewind was added to Discourse. So I am still waiting for the next update. The exact version of my forum is 0e0e716e0d.
You can find the exact version in the browser console or by following the steps in Finding what version of Discourse you're using