grumlin.gemspec in grumlin-0.2.0 vs grumlin.gemspec in grumlin-0.3.0

@@ -21,7 +21,8 @@
   spec.files = Dir.chdir(File.expand_path(__dir__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{\A(?:test|spec|features)/}) }
   end
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "async-pool", "~> 0.3"
   spec.add_dependency "async-websocket", "~> 0.19"
 end