departure.gemspec in departure-6.5.0 vs departure.gemspec in departure-6.6.0

@@ -5,11 +5,11 @@
 
 require 'departure/version'
 
 # This environment variable is set on CI to facilitate testing with multiple
 # versions of Rails.
-RAILS_DEPENDENCY_VERSION = ENV.fetch('RAILS_VERSION', ['>= 5.2.0', '!= 7.0.0', '< 7.1'])
+RAILS_DEPENDENCY_VERSION = ENV.fetch('RAILS_VERSION', ['>= 5.2.0', '!= 7.0.0', '< 7.2.0'])
 
 Gem::Specification.new do |spec|
   spec.name          = 'departure'
   spec.version       = Departure::VERSION
   spec.authors       = ['Ilya Zayats', 'Pau Pérez', 'Fran Casas', 'Jorge Morante', 'Enrico Stano', 'Adrian Serafin', 'Kirk Haines', 'Guillermo Iguaran']
@@ -20,9 +20,11 @@
   spec.homepage      = 'https://github.com/departurerb/departure'
   spec.license       = 'MIT'
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.require_paths = ['lib']
+
+  spec.required_ruby_version = '>= 2.4.0'
 
   spec.add_runtime_dependency 'railties', *Array(RAILS_DEPENDENCY_VERSION)
   spec.add_runtime_dependency 'activerecord', *Array(RAILS_DEPENDENCY_VERSION)
   spec.add_runtime_dependency 'mysql2', '>= 0.4.0', '<= 0.5.5'