feedjira-opml.gemspec in feedjira-opml-2.0.0 vs feedjira-opml.gemspec in feedjira-opml-2.0.1

@@ -24,9 +24,9 @@
   end
 
   spec.add_development_dependency 'bundler', '~> 1.8'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'minitest', '~> 5.5'
-  spec.add_development_dependency 'coveralls'
+  spec.add_development_dependency 'coveralls', '~> 0'
 
   spec.add_runtime_dependency 'feedjira', '~> 1.6'
 end