fullcalendar-rails.gemspec in fullcalendar-rails-2.3.1.0 vs fullcalendar-rails.gemspec in fullcalendar-rails-2.4.0.0

@@ -15,8 +15,8 @@
   gem.require_paths = ['lib']
   gem.version       = Fullcalendar::Rails::VERSION
   gem.license       = 'MIT'
 
   gem.add_runtime_dependency 'jquery-rails', '>= 3.1.1', '< 5.0.0'
-  gem.add_runtime_dependency 'momentjs-rails', '~> 2.8', '>= 2.8.4'
+  gem.add_runtime_dependency 'momentjs-rails', '>= 2.9.0'
   gem.add_development_dependency 'rake', '~> 0'
 end