logstash-input-twitter.gemspec in logstash-input-twitter-4.0.0 vs logstash-input-twitter.gemspec in logstash-input-twitter-4.0.1

@@ -1,9 +1,9 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-input-twitter'
-  s.version         = '4.0.0'
+  s.version         = '4.0.1'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Reads events from the Twitter Streaming API"
   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]'
@@ -17,12 +17,16 @@
   s.test_files = s.files.grep(%r{^(test|spec|features)/})
 
   # Special flag to let us know this is actually a logstash plugin
   s.metadata = { "logstash_plugin" => "true", "logstash_group" => "input" }
 
+  # public_suffix 3.x+ includes ruby syntax from 2.1
+  # This effectively requires Logstash >= 6.x
+  s.required_ruby_version = '>= 2.1.0'
+
   # Gem dependencies
   s.add_runtime_dependency "logstash-core-plugin-api", ">= 1.60", "<= 2.99"
-  s.add_runtime_dependency 'twitter', '5.15.0'
+  s.add_runtime_dependency 'twitter', '6.2.0'
   s.add_runtime_dependency 'http-form_data', '~> 2'
   s.add_runtime_dependency 'public_suffix', '~> 3'
   s.add_runtime_dependency 'stud', '>= 0.0.22', '< 0.1'
 
   s.add_development_dependency 'logstash-devutils'