README.md in minitest-macos-notification-1.0.1 vs README.md in minitest-macos-notification-2.0.0

@@ -5,10 +5,13 @@
 
 Simple macOS notification reporter for [Minitest Reporters](https://github.com/kern/minitest-reporters), based on the [minitest-osx](https://github.com/tombell/minitest-osx) gem.
 
 ## Requirements
 
-* Ruby >= 2.7
+* Ruby >= 3.0
+
+For Ruby < 3.0 use version 1.0.1.
+
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby