diff --git a/README.md b/README.md
index 5a24d12..c490725 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@ Returns a list which [General Categories](https://en.wikipedia.org/wiki/Unicode_
 
 Unicode version: **15.1.0** (September 2023)
 
-Supported Rubies: **3.1**, **3.0**, **2.7**
+Supported Rubies: **3.2**, **3.1**, **3.0**
 
-Old Rubies that might still work: **2.6**, **2.5**, **2.4**, **2.3**, **2.2**, **2.1**, **2.0**
+Old Rubies that might still work: **2.X**
 
 ## Gemfile