logstash-output-file.gemspec in logstash-output-file-4.2.6 vs logstash-output-file.gemspec in logstash-output-file-4.3.0

@@ -1,9 +1,9 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-output-file'
-  s.version         = '4.2.6'
+  s.version         = '4.3.0'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Writes events to files on disk"
   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]'
@@ -23,8 +23,9 @@
   s.add_runtime_dependency "logstash-core-plugin-api", ">= 2.0.0", "< 2.99"
   s.add_runtime_dependency 'logstash-codec-json_lines'
   s.add_runtime_dependency 'logstash-codec-line'
 
   s.add_development_dependency 'logstash-devutils'
+  s.add_development_dependency 'insist'
   s.add_development_dependency 'flores'
   s.add_development_dependency 'logstash-input-generator'
 end