activity_notification.gemspec in activity_notification-2.1.3 vs activity_notification.gemspec in activity_notification-2.1.4

@@ -29,10 +29,10 @@
   s.add_development_dependency 'sqlite3', '>= 1.3.13'
   s.add_development_dependency 'mysql2', '>= 0.5.2'
   s.add_development_dependency 'pg', '>= 1.0.0'
   s.add_development_dependency 'mongoid', '>= 4.0.0'
   s.add_development_dependency 'dynamoid', '3.1.0'
-  s.add_development_dependency 'rspec-rails', '>= 3.8.0', '< 4.0.0'
+  s.add_development_dependency 'rspec-rails', '>= 3.8.0'
   s.add_development_dependency 'factory_bot_rails', '>= 4.11.0', '< 5.0.0'
   s.add_development_dependency 'simplecov', '~> 0'
   s.add_development_dependency 'yard', '>= 0.9.16'
   s.add_development_dependency 'yard-activesupport-concern', '>= 0.0.1'
   s.add_development_dependency 'devise', '>= 4.5.0'