Gemfile in logstash-output-s3-4.1.6 vs Gemfile in logstash-output-s3-4.1.7

@@ -7,5 +7,9 @@
 
 if Dir.exist?(logstash_path) && use_logstash_source
   gem 'logstash-core', :path => "#{logstash_path}/logstash-core"
   gem 'logstash-core-plugin-api', :path => "#{logstash_path}/logstash-core-plugin-api"
 end
+
+if RUBY_VERSION == "1.9.3"
+  gem 'rake', '12.2.1'
+end