protobuf-nats.gemspec in protobuf-nats-0.1.3 vs protobuf-nats.gemspec in protobuf-nats-0.2.0

@@ -29,10 +29,9 @@
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "protobuf", "~> 3.7"
-  spec.add_runtime_dependency "concurrent-ruby"
   spec.add_runtime_dependency "nats-pure"
 
   spec.add_development_dependency "bundler", "~> 1.14"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec"