diff --git a/README.md b/README.md
index a23100d..7c25fcd 100644
--- a/README.md
+++ b/README.md
@@ -317,7 +317,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.2
 
       - run: gem install asciidoctor