diff --git a/script/bootstrap b/script/bootstrap
index fba0cd372..5db9ae9a8 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -27,4 +27,4 @@ exit_unless_npm_exists
 exit_unless_brew_exists
 
 npm install
-brew install --HEAD tools/formulas/gyp.rb
+brew install tools/formulas/gyp.rb
diff --git a/tools/formulas/gyp.rb b/tools/formulas/gyp.rb
index e5331b981..43b16443a 100644
--- a/tools/formulas/gyp.rb
+++ b/tools/formulas/gyp.rb
@@ -4,6 +4,8 @@ require 'formula'
 
 class Gyp < Formula
   homepage 'http://code.google.com/p/gyp/'
+  url 'http://gyp.googlecode.com/svn/trunk', :revision => 1518
+  version '1518'
   head 'http://gyp.googlecode.com/svn/trunk'
 
   def install