Rakefile in comicvine-0.1.2 vs Rakefile in comicvine-0.1.3

@@ -17,10 +17,10 @@
 end
 
 # Default task
 task :default => :test
 
-task :gen_checksum do
+Rake::Task['build'].enhance do
   require 'digest/sha2'
   built_gem_path = 'pkg/comicvine-'+ComicVine::VERSION+'.gem'
   checksum = Digest::SHA256.new.hexdigest(File.read(built_gem_path))
   checksum_path = 'checksum/comicvine-'+ComicVine::VERSION+'.gem.sha256'
   File.open(checksum_path, 'w' ) {|f| f.write(checksum) }
\ No newline at end of file