diff --git a/README.md b/README.md
index fb412468601..cdf8d939e98 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ You need the following installed and available in your $PATH:
 
 * [Apache maven 3.0.3 or greater](http://maven.apache.org/)
 
-* [Scala](http://www.scala-lang.org)
+* [Scala 2.9.1](http://www.scala-lang.org)
 
 You also need to add the scala binary to your PATH.