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Homebrew: Your Command Line Tools are too outdated

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Homebrew: Your Command Line Tools are too outdated

Like many others I make use of Homebrew as the package manager on my Mac. Usually it’s quite reliable, yet when I recently tried to install Terraform from the brew repository I was shown the error “Your Command Line Tools are too outdated”. This post will cover the steps I used to fix the issue.

1.0 The problem #

The message “Error: Your Command Line Tools are too outdated” is shown.

Screenshot of Mac terminal

2.0 Why does this happen? #

There are many ways this issue could arise (far too many to list here). Some of the key suspects are:

  • Command Line Tools for Xcode not being installed
  • A recent Mac OS upgrade
  • Firewall app (LuLu) blocking update attempts

3.0 Resolution #

First, temporarily disable any 3rd part firewall apps like LuLu or Little Snitch.

Then open Terminal and run the following commands:

sudo rm -rf /Library/Developer/CommandLineTools 
sudo xcode-select --install

Once complete perform a Homebrew update:

brew update && brew upgrade

4.0 Summary #

That’s it!

If you have found this post helpful please let me know by dropping a comment below. Otherwise, thanks for reading.