Rakefile in semantic_logger-2.0.0 vs Rakefile in semantic_logger-2.1.0

@@ -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/version'
 
@@ -17,16 +18,16 @@
     spec.email       = ['[e-mail]']
     spec.homepage    = 'https://github.com/ClarityServices/semantic_logger'
     spec.date        = Date.today.to_s
     spec.summary     = "Improved logging for Ruby"
     spec.description = "Semantic Logger takes logging in Ruby to a new level by adding several new capabilities to the commonly used Logging API"
-    spec.files       = FileList["./**/*"].exclude(/.gem$/, /.log$/,/^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 'sync_attr'
-    spec.add_dependency 'thread_safe'
-    spec.add_development_dependency 'shoulda'
+    spec.add_dependency 'sync_attr', '>= 1.0'
+    spec.add_dependency 'thread_safe', '>= 0.1.0'
   end
-  Gem::Builder.new(gemspec).build
+  Gem::Package.build gemspec
 end
 
 desc "Run Test Suite"
 task :test do
   Rake::TestTask.new(:functional) do |t|