diegopacheco/ruby-4-macos.md

Created January 1, 2026 22:27

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Install Ruby 4 on MAcOS

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ruby-4-macos.md

Install

xcode-select --install
brew install rbenv ruby-build openssl@3 readline libyaml

# enable rbenv in your shell
echo 'eval "$(rbenv init - zsh)"' >> ~/.zshrc
source ~/.zshrc

# install Ruby 4
rbenv install 4.0.0
rbenv global 4.0.0

ruby -v

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