ruby-kafka.gemspec in ruby-kafka-0.7.8 vs ruby-kafka.gemspec in ruby-kafka-0.7.9

@@ -42,9 +42,10 @@
   spec.add_development_dependency "zstd-ruby"
   spec.add_development_dependency "colored"
   spec.add_development_dependency "rspec_junit_formatter", "0.2.2"
   spec.add_development_dependency "dogstatsd-ruby", ">= 3.0.0", "< 5.0.0"
   spec.add_development_dependency "statsd-ruby"
+  spec.add_development_dependency "prometheus-client"
   spec.add_development_dependency "ruby-prof"
   spec.add_development_dependency "timecop"
   spec.add_development_dependency "rubocop", "~> 0.49.1"
   spec.add_development_dependency "gssapi", ">= 1.2.0"
   spec.add_development_dependency "stackprof"