Software⏱️ 2 min read📅 2026-06-03

How to Fix: How to fix brew after OSX upgrade to Yosemite?

Fix Homebrew issue after OSX upgrade to Yosemite.

Quick Answer: Reinstall Homebrew using the command "brew reinstall" or remove and re-add Homebrew with "brew uninstall brew && brew install brew"

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🔧 Proven Troubleshooting Steps
  3. 🎯 Final Words

To resolve the issue with Homebrew after upgrading to Yosemite, it's essential to understand the root causes of the problem. The error message indicates that Ruby is not found in the system, which is a common issue on newer macOS versions.

🛑 Root Causes of the Error

  • The upgrade to Yosemite has changed the Ruby version on your system, causing Homebrew to fail.

🔧 Proven Troubleshooting Steps

Method 1: Update Ruby Version

  1. Step 1: Open the Terminal app and run the command `brew install ruby` to update the Ruby version.

Method 2: Reinstall Homebrew

  1. Step 1: Run the command `brew uninstall homebrew` to remove Homebrew, then download the installer from the official Homebrew website, and follow the installation instructions.

🎯 Final Words

By following these steps, you should be able to resolve the issue with Homebrew on your Yosemite system.

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