convection.gemspec in convection-1.1.7 vs convection.gemspec in convection-2.0.0

@@ -20,6 +20,8 @@
 
   spec.add_runtime_dependency 'aws-sdk', '>= 2'
   spec.add_runtime_dependency 'httparty', '~> 0.13'
   spec.add_runtime_dependency 'netaddr', '~> 1.5'
   spec.add_runtime_dependency 'thor', '~> 0.19'
+
+  spec.required_ruby_version = '>= 2.2'
 end