Rakefile in gis-distance-1.0.1 vs Rakefile in gis-distance-1.0.2

@@ -7,17 +7,13 @@
 CLEAN.include('**/*.gem', '**/*.log')
 
 namespace 'gem' do
   desc 'Create the gis-distance gem'
   task :create => [:clean] do
+    require 'rubygems/package'
     spec = eval(IO.read('gis-distance.gemspec'))
-
-    if Gem::VERSION < "2.0"
-      Gem::Builder.new(spec).build
-    else
-      require 'rubygems/package'
-      Gem::Package.build(spec)
-    end
+    spec.signing_key = File.join(Dir.home, '.ssh', 'gem-private_key.pem')
+    Gem::Package.build(spec, true)
   end
 
   desc 'Install the gis-distance gem'
   task :install => [:create] do
     file = Dir["*.gem"].first