diff --git a/ruby-rails-sso-example/README.md b/ruby-rails-sso-example/README.md
index 071fcb7..55ca081 100644
--- a/ruby-rails-sso-example/README.md
+++ b/ruby-rails-sso-example/README.md
@@ -7,7 +7,7 @@ The application is built with Rails 6 and Bootstrap with Webpack, and also uses
 
 ### Requirements
 
-- Ruby 2.6
+- Ruby 2.6.8
 - Rails 6
 - Foreman gem