Rakefile in ackr-0.1.1 vs Rakefile in ackr-0.2

@@ -1,6 +1,7 @@
 # -*- encoding: utf-8 -*-
 
+require 'rake/dsl_definition'
 require 'rake'
 require 'rspec/core/rake_task'
 
 desc 'Test GEM'
 task :default => :spec