light_mapper.gemspec in light_mapper-0.0.2 vs light_mapper.gemspec in light_mapper-1.0.4

@@ -15,11 +15,12 @@
 
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = %w(lib)
+  spec.required_ruby_version = '>= 2.7'
 
-  spec.add_development_dependency 'bundler', '~> 1.7'
+  spec.add_development_dependency 'bundler', '~> 2.3'
   spec.add_development_dependency 'rake', '~> 10.4'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'guard', '~> 2.12'
   spec.add_development_dependency 'guard-rspec', '~> 4.5'
   spec.add_development_dependency 'guard-rubocop', '~> 1.2'