Rakefile in ruby_skynet-0.3.0 vs Rakefile in ruby_skynet-0.4.0.pre

@@ -1,9 +1,10 @@
 lib = File.expand_path('../lib/', __FILE__)
 $:.unshift lib unless $:.include?(lib)
 
 require 'rubygems'
+require 'rubygems/package'
 require 'rake/clean'
 require 'rake/testtask'
 require 'date'
 require 'semantic_logger'
 require 'ruby_skynet/version'
@@ -18,18 +19,20 @@
     spec.email       = ['[e-mail]']
     spec.homepage    = 'https://github.com/ClarityServices/ruby_skynet'
     spec.date        = Date.today.to_s
     spec.summary     = "Skynet Ruby Client"
     spec.description = "Ruby Client for invoking Skynet services"
-    spec.files       = FileList["./**/*"].exclude('*.gem', 'nbproject').map{|f| f.sub(/^\.\//, '')}
+    spec.files       = FileList["./**/*"].exclude(/\.gem$/, /\.log$/,/nbproject/).map{|f| f.sub(/^\.\//, '')}
+    spec.license     = "Apache License V2.0"
     spec.has_rdoc    = true
     spec.add_dependency 'semantic_logger'
     spec.add_dependency 'resilient_socket'
-    spec.add_dependency 'multi_json'
+    spec.add_dependency 'multi_json', '>= 1.6.1'
     spec.add_dependency 'bson'
     spec.add_dependency 'ruby_protobuf'
+    spec.add_dependency 'celluloid-io', '>= 0.13.0.pre2'
   end
-  Gem::Builder.new(gemspec).build
+  Gem::Package.build gemspec
 end
 
 desc "Run Test Suite"
 task :test do
   Rake::TestTask.new(:functional) do |t|