Rakefile in fluent-plugin-formatter-protobuf-0.0.3 vs Rakefile in fluent-plugin-formatter-protobuf-0.0.4

@@ -42,9 +42,14 @@
   task :fix do
     sh 'rubocop --auto-correct'
   end
 end
 
+desc 'Building ruby gem'
+task :build do
+  sh 'gem build *.gemspec'
+end
+
 desc 'Listing all tasks'
 task :help do
   sh 'rake --tasks'
 end