README.md in pdfkit-0.8.5 vs README.md in pdfkit-0.8.6

@@ -2,11 +2,11 @@
 
 Create PDFs using plain old HTML+CSS. Uses [wkhtmltopdf](http://github.com/antialize/wkhtmltopdf) on the back-end which renders HTML using Webkit.
 
 ## Supported versions
 
-- Ruby 2.5, 2.6
-- Rails 4.2, 5.2, 6.0
+- Ruby 2.5, 2.6, 2.7, 3.0, 3.1
+- Rails 4.2, 5.2, 6.0, 6.1, 7.0
 
 ## Install
 
 ### PDFKit
 ```