climate_control.gemspec in climate_control-1.0.0 vs climate_control.gemspec in climate_control-1.0.1

@@ -14,9 +14,11 @@
 
   gem.files = `git ls-files`.split($/)
   gem.test_files = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
+  gem.required_ruby_version = ">= 2.5.0"
+
   gem.add_development_dependency "rspec", "~> 3.10.0"
   gem.add_development_dependency "rake", "~> 12.3.3"
   gem.add_development_dependency "simplecov", "~> 0.9.1"
   gem.add_development_dependency "standard", "~> 1.0.0"
 end