If you are not using homebrew I don't know what you are doing, and most probably you know what you are doing (but then, why are you here?). If you installed rbenv via homebrew you'll need to do brew upgrade which will also update your rbenv so that latest stable versions of Ruby should appear in your rbenv. (bonus) Check it's installed ~ rbenv versionsĪnd for the sake of completeness and inclusiveness, let's see how it's done on the other operating that exists in this world: rbenv install Ruby 3 on MacOS Upgrade the rbenv build ~ git -C ~/.rbenv/plugins/ruby-build pull With the missing information bit, we are now just 2 terminal commands away from victory.ġ. ~ # Here we go 👆 the crucial hint at the end of the output! The one moment when 'being aware' actually does something. If the version you need is missing, try upgrading ruby-build: The sad truth is that my brain was not able to parse the whole terminal output which already poses the solution: ~ rbenv install 3.0.0 So the investigation continued: Where's Ruby 3 in rbenv? 🤔 🔎 rbenv install Ruby 3 on Ubuntu A portable software solution that can help you quickly analyze your computer and determine whether it is fit to run Windows 11 or not. You will most probably encounter this issue when you have rbenv lying around for quite a while already.

See all available versions with `rbenv install -list'. Naive as I am, I fired up my terminal and gave it a spontaneous shot: ~ rbenv install 3.0.0

Checkit 3.0