diff --git a/puppet-lint-spaceship_operator_without_tag-check.gemspec b/puppet-lint-spaceship_operator_without_tag-check.gemspec
index 5da845e..52e7013 100644
--- a/puppet-lint-spaceship_operator_without_tag-check.gemspec
+++ b/puppet-lint-spaceship_operator_without_tag-check.gemspec
@@ -16,6 +16,8 @@ Gem::Specification.new do |spec|
     A puppet-lint plugin to check that spaceship operator is called with a tag.
   EOF
 
+  spec.required_ruby_version = '>= 2.7', '< 4'
+
   spec.add_dependency             'puppet-lint', '>= 1.0', '< 3.0'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'