Removing ruby 2.6 as required version because JRuby jruby-9.2 considers itself to be compliant with MRI 2.5 so if we add 2.6 as required minimum version for ruby it will causes conflict errors on bundler

.rubocop.yml

@@ -29,6 +29,9 @@ Metrics/CyclomaticComplexity:
 Metrics/PerceivedComplexity:
   Enabled: false
 
+Gemspec/RequiredRubyVersion:
+ Enabled: false
+
 Layout/ParameterAlignment:
   EnforcedStyle: with_fixed_indentation
 

pundit.gemspec

@@ -18,7 +18,6 @@ Gem::Specification.new do |gem|
   gem.executables   = gem.files.grep(%r{^bin/}).map { |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
-  gem.required_ruby_version = ">= 2.6.0"
 
   gem.add_dependency "activesupport", ">= 3.0.0"
   gem.add_development_dependency "actionpack", ">= 3.0.0"