diff --git a/README.md b/README.md
index 94a82d8..3a87ec9 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,12 @@ Make sure, you have the latest version of the Xcode command line tools installed
 
     xcode-select --install
 
+Install phantomjs (this is needed to control the Apple Developer Portal)
+
+    brew update && brew install phantomjs
+
+If you don't already have homebrew installed, [install it here](http://brew.sh/).
+
 # Usage
 
     sigh