ably-rest.gemspec in ably-rest-0.9.2 vs ably-rest.gemspec in ably-rest-0.9.3

@@ -46,10 +46,13 @@
   spec.add_development_dependency 'rspec', '~> 3.2.0'
   spec.add_development_dependency 'rspec-retry', '~> 0.4'
   spec.add_development_dependency 'yard', '~> 0.9'
   spec.add_development_dependency 'webmock', '~> 2.0'
 
-  unless RUBY_VERSION.match(/^1/)
+  if RUBY_VERSION.match(/^1/)
+    spec.add_development_dependency 'public_suffix', '~> 1.4.6' # Later versions do not support Ruby 1.9
+  else
+    spec.add_development_dependency 'coveralls'
     spec.add_development_dependency 'pry'
     spec.add_development_dependency 'pry-byebug'
   end
 end