diff -ur passenger-release-3.0.19.orig/build/gempackagetask.rb passenger-release-3.0.19/build/gempackagetask.rb

--- passenger-release-3.0.19.orig/build/gempackagetask.rb	2012-12-20 06:23:00.000000000 -0600

+++ passenger-release-3.0.19/build/gempackagetask.rb	2013-03-14 15:58:03.089000000 -0500

@@ -9,7 +9,12 @@

 require 'rake'

 require 'build/packagetask'

 require 'rubygems/user_interaction'

-require 'rubygems/builder'

+

+if /^2\./ =~ RUBY_VERSION

+  require 'rubygems/package'

+else

+  require 'rubygems/builder'

+end

 module Rake

@@ -79,7 +84,11 @@

       task 'package:gem' => ["#{package_dir}/#{gem_file}"]

       file "#{package_dir}/#{gem_file}" => [package_dir] + @gem_spec.files do

         when_writing("Creating GEM") {

-          Gem::Builder.new(gem_spec).build

+          if /^2\./ =~ RUBY_VERSION

+            Gem::Package.build(gem_spec)

+          else

+            Gem::Builder.new(gem_spec).build

+          end

           verbose(true) {

             mv gem_file, "#{package_dir}/#{gem_file}"

           }