diff --git a/README.md b/README.md
index 0bbb1cf9..eb78e4fb 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,8 @@
 
 Installing dependencies
 
-    aptitude install rubygems
-    gem install jekyll aquarium json less
+    sudo apt-get install rubygems
+    sudo gem install jekyll aquarium json less therubyracer
 
 # Usage