diff --git a/README.md b/README.md
index 64e8a3c1..7f59ad2d 100644
--- a/README.md
+++ b/README.md
@@ -234,7 +234,7 @@ manager on Mac OS X:
 
 ~~~
 $ brew update
-$ brew install rbenv ruby-build
+$ brew install rbenv
 ~~~
 
 Afterwards you'll still need to add `eval "$(rbenv init -)"` to your