Your Command Line Tools are too outdated macOS Origin: Platform & cloud OSI layer 7 · Application Last updated 5 Nov 2026

Homebrew: Error: Your Command Line Tools (CLT) are too outdated.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.

Exact message you may see 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
Seen on: 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

  1. Update in Software Update or reinstall CLT
  2. sudo rm -rf /Library/Developer/CommandLineTools && xcode-select --install
  3. Download CLT from developer.apple.com/download/all

Detailed fix by platform

macOS

  1. pkgutil --pkg-info=com.apple.pkg.CLTools_Executables | grep version

How to diagnose

  1. CLT — Version?
  2. macOS — Supported?
  3. Update — Offered?

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

Where this error sits

Origin: Platform & cloud. Errors that are often confused with or caused by this one (click to open):

Bad configuration option: usekeychain — ssh: /Users/me/.ssh/config: line 5: Bad configuration option: usekeychain (macOS)Bad configuration opt…Camera/Microphone access denied (TCC) — macOS: avfoundation: Could not start capture / "Terminal" does not have access to the camera or microphone — tccd denied (macOS)Camera/Microphone acc…Can't install the software because it is not currently available from the Software Update server — macOS: xcode-select: error: Can't install the software because it is not currently available from the Software Update server (macOS)Can't install the sof…clang: error: unsupported option '-fopenmp' — macOS: clang: error: unsupported option '-fopenmp' (OpenMP with Apple Clang) (macOS)clang: error: unsuppo…codesign: resource fork, Finder information, or similar detritus not allowed — macOS: Error: resource fork, Finder information, or similar detritus not allowed (macOS)codesign: resource fo…dyld: Library not loaded — macOS: dyld[123]: Library not loaded: /usr/local/opt/openssl@1.1/lib/libssl.1.1.dylib — Reason: tried: ... (no such file) (macOS)dyld: Library not loa…dyld: Symbol not found — macOS: dyld: Symbol not found: _SecTrustCopyCertificateChain — Expected in: /System/Library/Frameworks/Security.framework (macOS)dyld: Symbol not foundFinder error code -36 — macOS: The Finder can't complete the operation because some data in "x" can't be read or written. (Error code -36) (macOS)Finder error code -36Your Comm…

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