diff --git a/lib/pundit/resource_controller.rb b/lib/pundit/resource_controller.rb
index 5f3c505..45ad0bc 100644
--- a/lib/pundit/resource_controller.rb
+++ b/lib/pundit/resource_controller.rb
@@ -10,8 +10,8 @@ module ResourceController
 
       JSONAPI.configure do |config|
         error = Pundit::NotAuthorizedError
-        unless config.exception_class_whitelist.include? error
-          config.exception_class_whitelist << error
+        unless config.exception_class_allowlist.include? error
+          config.exception_class_allowlist << error
           config.use_relationship_reflection = true
         end
       end
diff --git a/pundit-resources.gemspec b/pundit-resources.gemspec
index fbc2a63..b338e70 100644
--- a/pundit-resources.gemspec
+++ b/pundit-resources.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "activesupport"
   spec.add_dependency "jsonapi-resources"
   spec.add_dependency "pundit"
-  spec.add_dependency "rails", ">= 4.2.1", "< 5.1"
+  spec.add_dependency 'rails', '~> 6.1', '>= 6.1.4'
 
   spec.add_development_dependency "bundler", "~> 1.11"
   spec.add_development_dependency "rake", "~> 10.0"