title: Need help installing Ruby 2.7.2 on Mac
body: <p>I'm trying to install Ruby version 2.7.2 on my Mac (latest OS with all updates) and did the following</p>
  <pre><code>brew update
  brew upgrade rbenv ruby-build
  </code></pre>
  <p>and then</p>
  <pre><code>rbenv install 2.7.2
  ruby-build: definition not found: 2.7.2
  
  See all available versions with `rbenv install --list'.
  
  If the version you need is missing, try upgrading ruby-build:
  
    brew update &amp;&amp; brew upgrade ruby-build
  </code></pre>
  <p>So I tried following the instructions above and get this</p>
  <pre><code>brew update &amp;&amp; brew upgrade ruby-build
  Already up-to-date.
  Warning: ruby-build 20200926 already installed
  </code></pre>