Homebrew: Error: Your Command Line Tools (CLT) are too outdated. Update them from Software Update / Please update to the latest macOS
Homebrew requires a newer Command Line Tools version than the one installed.
Your Command Line Tools are too outdatedError: Your Command Line Tools (CLT) are too outdatedWarning: Your Command Line Tools are too outdatedUpdate them from Software UpdateYour Command Line Tools (CLT) does not support macOS Meaning
Update through System Settings → General → Software Update, or reinstall: sudo rm -rf /Library/Developer/CommandLineTools && sudo xcode-select --install. If the update isn't offered, download CLT from developer.apple.com. Very old macOS versions may be unsupported by current Homebrew.
Common causes
- CLT lagging behind macOS/Xcode
- Update not showing in Software Update
- Unsupported old macOS
- Interrupted CLT update
- Xcode newer than CLT
⚡ Quick fix
- Update in Software Update or reinstall CLT
sudo rm -rf /Library/Developer/CommandLineTools && xcode-select --install- Download CLT from developer.apple.com/download/all
Detailed fix by platform
macOS
pkgutil --pkg-info=com.apple.pkg.CLTools_Executables | grep version
How to diagnose
- CLT — Version?
- macOS — Supported?
- Update — Offered?
🔧 Still not fixed?
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Other ways to find it
Where this error sits
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Last updated 5 Nov 2026