diff --git a/README.rdoc b/README.rdoc
index e1d681a..08c8163 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -27,9 +27,9 @@ The pagination helper outputs the HTML5 <nav> tag by default. Plus, the helper s
 
 == Supported versions
 
-* Ruby 1.8.7, 1.9.2, 1.9.3, 2.0.0, 2.1.x
+* Ruby 1.8.7, 1.9.2, 1.9.3, 2.0.0, 2.1.x, 2.2.x
 
-* Rails 3.0, 3.1, 3.2, 4.0, 4.1
+* Rails 3.0, 3.1, 3.2, 4.0, 4.1, 4.2
 
 * Sinatra 1.4