logstash-output-s3.gemspec in logstash-output-s3-4.1.2 vs logstash-output-s3.gemspec in logstash-output-s3-4.1.3

@@ -1,8 +1,8 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-output-s3'
-  s.version         = '4.1.2'
+  s.version         = '4.1.3'
   s.licenses        = ['Apache-2.0']
   s.summary         = "Sends Logstash events to the Amazon Simple Storage Service"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"
   s.authors         = ["Elastic"]
   s.email           = '[e-mail]'
@@ -24,6 +24,7 @@
   s.add_runtime_dependency "concurrent-ruby"
   s.add_runtime_dependency 'stud', '~> 0.0.22'
   s.add_development_dependency 'logstash-devutils'
   s.add_development_dependency 'logstash-input-generator'
   s.add_development_dependency 'logstash-codec-line'
+  s.add_development_dependency 'rake', '~> 12.2.1' # for JRuby 1.7, Ruby 1.9
 end