diff --git a/README.md b/README.md
index 3b5a0e3..5b96210 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ file.
 
 ####Initial setup
 
-* Install Ruby 1.9.3.
+* Install Ruby. Supported Ruby versions include 1.9.3, 2.0.0 and 2.1.0.
 
 * Checkout the lobsters git tree from Github