diff --git a/Gemfile.lock b/Gemfile.lock
index 05dac4d..e82fb40 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     grape-jsonapi (0.0.2)
       grape (>= 1.4.0)
-      jsonapi-resources (~> 0.9.11)
+      jsonapi-resources (~> 0.10.7)
 
 GEM
   remote: https://rubygems.org/
@@ -42,30 +42,26 @@ GEM
     crass (1.0.6)
     diff-lcs (1.4.4)
     docile (1.3.2)
-    dry-configurable (0.11.6)
+    dry-configurable (0.14.0)
       concurrent-ruby (~> 1.0)
-      dry-core (~> 0.4, >= 0.4.7)
-      dry-equalizer (~> 0.2)
-    dry-container (0.7.2)
+      dry-core (~> 0.6)
+    dry-container (0.9.0)
       concurrent-ruby (~> 1.0)
-      dry-configurable (~> 0.1, >= 0.1.3)
-    dry-core (0.4.9)
+      dry-configurable (~> 0.13, >= 0.13.0)
+    dry-core (0.7.1)
       concurrent-ruby (~> 1.0)
-    dry-equalizer (0.3.0)
-    dry-inflector (0.2.0)
-    dry-logic (1.0.8)
+    dry-inflector (0.2.1)
+    dry-logic (1.2.0)
       concurrent-ruby (~> 1.0)
-      dry-core (~> 0.2)
-      dry-equalizer (~> 0.2)
-    dry-types (1.4.0)
+      dry-core (~> 0.5, >= 0.5)
+    dry-types (1.5.1)
       concurrent-ruby (~> 1.0)
       dry-container (~> 0.3)
-      dry-core (~> 0.4, >= 0.4.4)
-      dry-equalizer (~> 0.3)
+      dry-core (~> 0.5, >= 0.5)
       dry-inflector (~> 0.1, >= 0.1.2)
       dry-logic (~> 1.0, >= 1.0.2)
     erubi (1.9.0)
-    grape (1.5.0)
+    grape (1.6.2)
       activesupport
       builder
       dry-types (>= 1.1)
@@ -79,7 +75,7 @@ GEM
       concurrent-ruby (~> 1.0)
     json-schema (2.8.1)
       addressable (>= 2.4)
-    jsonapi-resources (0.9.11)
+    jsonapi-resources (0.10.7)
       activerecord (>= 4.1)
       concurrent-ruby
       railties (>= 4.1)
@@ -161,7 +157,7 @@ GEM
     rubocop-ast (0.8.0)
       parser (>= 2.7.1.5)
     ruby-progressbar (1.10.1)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     simplecov (0.19.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
diff --git a/grape-jsonapi.gemspec b/grape-jsonapi.gemspec
index 87b649c..1a08980 100644
--- a/grape-jsonapi.gemspec
+++ b/grape-jsonapi.gemspec
@@ -26,5 +26,5 @@ Gem::Specification.new do |spec|
   end
 
   spec.add_runtime_dependency 'grape', '>= 1.4.0'
-  spec.add_runtime_dependency 'jsonapi-resources', '~> 0.9.11'
+  spec.add_runtime_dependency 'jsonapi-resources', '~> 0.10.7'
 end
diff --git a/lib/grape/jsonapi/api.rb b/lib/grape/jsonapi/api.rb
index 1059f15..077a477 100644
--- a/lib/grape/jsonapi/api.rb
+++ b/lib/grape/jsonapi/api.rb
@@ -25,7 +25,7 @@ def jsonapi_resource
           declare_base_route
 
           # Before generating links for resources while building a response, the jsonapi-resources
-          # gem verifies whether there are routes to them. If no, a warning intead of a link
+          # gem verifies whether there are routes to them. If no, a warning instead of a link
           # will be outputed. This gem doesn't use route helpers of the jsonapi-resources gem,
           # but it adds Grape routes, so a `_routed` flag must be added for every resource
           # which routed by Grape.
diff --git a/lib/grape/jsonapi/helpers.rb b/lib/grape/jsonapi/helpers.rb
index 21ec436..0117b1f 100644
--- a/lib/grape/jsonapi/helpers.rb
+++ b/lib/grape/jsonapi/helpers.rb
@@ -6,10 +6,13 @@
 module Grape
   module JSONAPI
     # A collection of helper methods used internally by JSON API endpoints.
+    # Mainly methods were copied from https://bit.ly/3ygyl5y then adjusted.
     module Helpers
       include Rendering
       include Resources
 
+      attr_reader :jsonapi_request
+
       def controller_class
         env['api.endpoint'].options[:for]
       end
@@ -26,38 +29,49 @@ def json_request_for(action, options)
           action_parameters,
           # define a `context` method to pass extra data to resources
           context: respond_to?(:context) ? send(:context) : {},
+          key_formatter: key_formatter,
           server_error_callbacks: []
         )
       end
 
       def process_request(action, options = {})
-        @json_request = json_request_for(action.to_sym, options)
+        begin
+          @jsonapi_request = json_request_for(action, options)
 
-        if @json_request.errors.empty?
-          results = operation_dispatcher.process(@json_request.operations)
-          render_results results
-        else
-          render_errors(@json_request.errors)
+          setup_response_document
+          execute_request
+        rescue StandardError => e
+          handle_exceptions(e)
         end
-      rescue ::JSONAPI::Exceptions::Error => e
-        render_errors(e.errors)
-      end
 
-      def operation_dispatcher
-        ::JSONAPI::OperationDispatcher.new(
-          transaction: transaction_block,
-          rollback: rollback_action,
-          server_error_callbacks: []
-        )
+        render_results
       end
 
-      def transaction_block
-        ->(&block) { ActiveRecord::Base.transaction { block.yield } }
-      end
+      # rubocop:disable Metrics/AbcSize
+      # rubocop:disable Metrics/MethodLength
+      def execute_request
+        process_operations(jsonapi_request.transactional?) do
+          jsonapi_request.each(response_document) do |op|
+            op.options[:serializer] = resource_serializer_klass.new(
+              op.resource_klass,
+              include_directives: op.options[:include_directives],
+              fields: op.options[:fields],
+              base_url: base_url,
+              key_formatter: key_formatter,
+              route_formatter: route_formatter,
+              serialization_options: {},
+              controller: self
+            )
+            op.options[:cache_serializer_output] = !::JSONAPI.configuration.resource_cache.nil?
 
-      def rollback_action
-        -> { fail ActiveRecord::Rollback }
+            process_operation(op)
+          end
+
+          fail ActiveRecord::Rollback if response_document.has_errors?
+        end
       end
+      # rubocop:enable Metrics/MethodLength
+      # rubocop:enable Metrics/AbcSize
 
       def forbidden_operation
         render_errors [::JSONAPI::Error.new(
@@ -67,6 +81,54 @@ def forbidden_operation
           detail: I18n.t('jsonapi.errors.forbidden_operation.detail')
         )]
       end
+
+      def process_operations(transactional, &block)
+        if transactional
+          ActiveRecord::Base.transaction(&block)
+        else
+          begin
+            block.call
+          rescue ActiveRecord::Rollback
+            # Can't rollback without transaction, so just ignore it
+          end
+        end
+      end
+
+      def process_operation(operation)
+        result = operation.process
+        response_document.add_result(result, operation)
+      end
+
+      private
+
+      # rubocop:disable Metrics/AbcSize
+      # rubocop:disable Metrics/MethodLength
+      def handle_exceptions(exeption)
+        case exeption
+        when ::JSONAPI::Exceptions::Error
+          errors = exeption.errors
+        when ActionController::ParameterMissing
+          errors = ::JSONAPI::Exceptions::ParameterMissing.new(exeption.param).errors
+        else
+          fail exeption if ::JSONAPI.configuration.exception_class_whitelisted?(exeption)
+
+          # Store exception for other middlewares
+          request.env['action_dispatch.exception'] ||= exeption
+
+          internal_server_error = ::JSONAPI::Exceptions::InternalServerError.new(exeption)
+
+          Rails.logger.error do
+            "Internal Server Error: #{exeption.message} #{exeption.backtrace.join("\n")}"
+          end
+
+          errors = internal_server_error.errors
+        end
+
+        response_document.add_result(::JSONAPI::ErrorsOperationResult.new(errors[0].status, errors),
+                                     nil)
+      end
+      # rubocop:enable Metrics/MethodLength
+      # rubocop:enable Metrics/AbcSize
     end
   end
 end
diff --git a/lib/grape/jsonapi/relationships.rb b/lib/grape/jsonapi/relationships.rb
index 0297e36..686c35a 100644
--- a/lib/grape/jsonapi/relationships.rb
+++ b/lib/grape/jsonapi/relationships.rb
@@ -37,9 +37,9 @@ def declare_related_resource(name, relationship, _options)
           define_related_resource_helpers(relationship)
 
           if to_many?(relationship)
-            get { process_request(:get_related_resources, related_params) }
+            get { process_request(:index_related_resources, related_params) }
           else
-            get { process_request(:get_related_resource, related_params) }
+            get { process_request(:show_related_resource, related_params) }
           end
         end
       end
diff --git a/lib/grape/jsonapi/rendering.rb b/lib/grape/jsonapi/rendering.rb
index 84c8526..9de48cf 100644
--- a/lib/grape/jsonapi/rendering.rb
+++ b/lib/grape/jsonapi/rendering.rb
@@ -6,39 +6,42 @@ module JSONAPI
     module Rendering
       include Resources
 
+      attr_reader :response_document
+
       def render_errors(errors)
-        operation_results = ::JSONAPI::OperationResults.new
+        setup_response_document
+
         result = ::JSONAPI::ErrorsOperationResult.new(
           errors.first.status, errors
         )
 
-        operation_results.add_result(result)
+        response_document.add_result(result, nil)
 
-        render_results operation_results
+        render_results
       end
 
-      def render_results(operation_results)
-        response_doc = create_response_document(operation_results)
-
-        response_status(response_doc)
-        response_doc.status == :no_content ? '' : response_doc.contents
+      def render_results
+        response_status
+        response_document.status == 204 ? '' : response_document.contents
       end
 
       private
 
-      def create_response_document(operation_results)
+      def create_response_document
         ::JSONAPI::ResponseDocument.new(
-          operation_results,
-          operation_results.has_errors? ? nil : resource_serializer,
           key_formatter: key_formatter,
           base_meta: base_meta,
-          base_links: base_links,
-          request: @json_request
+          base_links: base_response_links,
+          request: respond_to?(:request) ? request : nil
         )
       end
 
-      def response_status(response_doc)
-        status_code = response_doc.status
+      def setup_response_document
+        @response_document = create_response_document
+      end
+
+      def response_status
+        status_code = response_document.status
         status_code = status_code.to_i if status_code.is_a? String
         status status_code
       end
@@ -47,6 +50,10 @@ def base_links
         {}
       end
 
+      def base_response_links
+        {}
+      end
+
       def base_meta
         return {} unless defined? @json_request
 
diff --git a/lib/grape/jsonapi/resources.rb b/lib/grape/jsonapi/resources.rb
index 9d1203b..d1c60fb 100644
--- a/lib/grape/jsonapi/resources.rb
+++ b/lib/grape/jsonapi/resources.rb
@@ -10,7 +10,7 @@ def controller_name
       end
 
       def resource_class
-        ::JSONAPI::Resource.resource_for controller_name
+        ::JSONAPI::Resource.resource_klass_for controller_name
       end
 
       def resource_name
@@ -26,7 +26,7 @@ def resource_module_name
       end
 
       def related_resource_for(relationship)
-        ::JSONAPI::Resource.resource_for(
+        ::JSONAPI::Resource.resource_klass_for(
           "#{resource_module_name}/#{relationship.class_name}".underscore
         )
       end
diff --git a/spec/fixtures/active_record.rb b/spec/fixtures/active_record.rb
index 04fc93a..5c6c46d 100644
--- a/spec/fixtures/active_record.rb
+++ b/spec/fixtures/active_record.rb
@@ -793,7 +793,7 @@ def title=(title)
            return values
          },
          apply: lambda { |records, value, _options|
-           records.where('id IN (?)', value)
+           records.where('posts.id IN (?)', value)
          }
 
   filter :search,
@@ -1148,6 +1148,7 @@ class BoatResource < BoatResource; end
 
 module Api
   module V2
+    class AuthorResource < PreferencesResource; end
     class PreferencesResource < PreferencesResource; end
     class PersonResource < PersonResource; end
     class PostResource < PostResource; end
@@ -1257,6 +1258,7 @@ class PreferencesResource < PreferencesResource; end
 
 module Api
   module V4
+    class AuthorResource < PreferencesResource; end
     class PostResource < PostResource; end
     class PersonResource < PersonResource; end
     class ExpenseEntryResource < ExpenseEntryResource; end