diff --git a/Rakefile b/Rakefile
index 363b14fe..75478643 100644
--- a/Rakefile
+++ b/Rakefile
@@ -34,7 +34,7 @@ YARD::Rake::YardocTask.new do |t|
 end
 
 Rake::TestTask.new(:benchmarks) do |t|
-  t.libs << 'spec'
+  t.libs.append('lib', 'spec')
   t.pattern = 'spec/benchmarks/**/*_test.rb'
   t.verbose = false
 end
diff --git a/lib/blueprinter.rb b/lib/blueprinter.rb
index bf0c399c..76cbd50d 100644
--- a/lib/blueprinter.rb
+++ b/lib/blueprinter.rb
@@ -1,7 +1,26 @@
 # frozen_string_literal: true
 
-require_relative 'blueprinter/base'
-require_relative 'blueprinter/extension'
-
 module Blueprinter
+  autoload :Base, 'blueprinter/base'
+  autoload :BlueprinterError, 'blueprinter/blueprinter_error'
+  autoload :Configuration, 'blueprinter/configuration'
+  autoload :Errors, 'blueprinter/errors'
+  autoload :Extension, 'blueprinter/extension'
+  autoload :Transformer, 'blueprinter/transformer'
+
+  class << self
+    # @return [Configuration]
+    def configuration
+      @configuration ||= Configuration.new
+    end
+
+    def configure
+      yield(configuration) if block_given?
+    end
+
+    # Resets global configuration.
+    def reset_configuration!
+      @configuration = nil
+    end
+  end
 end
diff --git a/lib/blueprinter/association.rb b/lib/blueprinter/association.rb
index 555c1afd..a8d563e6 100644
--- a/lib/blueprinter/association.rb
+++ b/lib/blueprinter/association.rb
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
-require_relative 'field'
-require_relative 'blueprint_validator'
+require 'blueprinter/field'
+require 'blueprinter/blueprint_validator'
+require 'blueprinter/extractors/association_extractor'
 
 module Blueprinter
   # @api private
diff --git a/lib/blueprinter/base.rb b/lib/blueprinter/base.rb
index 0083dde3..b37961c0 100644
--- a/lib/blueprinter/base.rb
+++ b/lib/blueprinter/base.rb
@@ -1,25 +1,10 @@
 # frozen_string_literal: true
 
-require_relative 'association'
-require_relative 'blueprint_validator'
-require_relative 'blueprinter_error'
-require_relative 'configuration'
-require_relative 'deprecation'
-require_relative 'empty_types'
-require_relative 'extractor'
-require_relative 'extractors/association_extractor'
-require_relative 'extractors/auto_extractor'
-require_relative 'extractors/block_extractor'
-require_relative 'extractors/hash_extractor'
-require_relative 'extractors/public_send_extractor'
-require_relative 'field'
-require_relative 'formatters/date_time_formatter'
-require_relative 'helpers/base_helpers'
-require_relative 'helpers/type_helpers'
-require_relative 'reflection'
-require_relative 'transformer'
-require_relative 'view_collection'
-require_relative 'view'
+require 'blueprinter/association'
+require 'blueprinter/extractors/association_extractor'
+require 'blueprinter/field'
+require 'blueprinter/helpers/base_helpers'
+require 'blueprinter/reflection'
 
 module Blueprinter
   class Base
diff --git a/lib/blueprinter/blueprint_validator.rb b/lib/blueprinter/blueprint_validator.rb
index dc7a922d..865e9548 100644
--- a/lib/blueprinter/blueprint_validator.rb
+++ b/lib/blueprinter/blueprint_validator.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative 'errors/invalid_blueprint'
-
 module Blueprinter
   # @api private
   class BlueprintValidator
diff --git a/lib/blueprinter/configuration.rb b/lib/blueprinter/configuration.rb
index bdea52b8..ce19178e 100644
--- a/lib/blueprinter/configuration.rb
+++ b/lib/blueprinter/configuration.rb
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
 require 'json'
-require_relative 'extensions'
+require 'blueprinter/extensions'
+require 'blueprinter/extractors/auto_extractor'
 
 module Blueprinter
   class Configuration
@@ -49,12 +50,4 @@ def valid_callable?(callable_name)
       VALID_CALLABLES.include?(callable_name)
     end
   end
-
-  def self.configuration
-    @configuration ||= Configuration.new
-  end
-
-  def self.configure
-    yield configuration if block_given?
-  end
 end
diff --git a/lib/blueprinter/empty_types.rb b/lib/blueprinter/empty_types.rb
index 03debe98..0a881a7c 100644
--- a/lib/blueprinter/empty_types.rb
+++ b/lib/blueprinter/empty_types.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative 'helpers/type_helpers'
+require 'blueprinter/helpers/type_helpers'
 
 module Blueprinter
   EMPTY_COLLECTION = 'empty_collection'
diff --git a/lib/blueprinter/errors.rb b/lib/blueprinter/errors.rb
new file mode 100644
index 00000000..a3adb656
--- /dev/null
+++ b/lib/blueprinter/errors.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Blueprinter
+  module Errors
+    autoload :InvalidBlueprint, 'blueprinter/errors/invalid_blueprint'
+  end
+end
diff --git a/lib/blueprinter/errors/invalid_blueprint.rb b/lib/blueprinter/errors/invalid_blueprint.rb
index 97965653..dbd9c373 100644
--- a/lib/blueprinter/errors/invalid_blueprint.rb
+++ b/lib/blueprinter/errors/invalid_blueprint.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require 'blueprinter/blueprinter_error'
-
 module Blueprinter
   module Errors
     class InvalidBlueprint < Blueprinter::BlueprinterError; end
diff --git a/lib/blueprinter/extractors/association_extractor.rb b/lib/blueprinter/extractors/association_extractor.rb
index b9ddbe8c..9b8bcf36 100644
--- a/lib/blueprinter/extractors/association_extractor.rb
+++ b/lib/blueprinter/extractors/association_extractor.rb
@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'blueprinter/extractor'
+require 'blueprinter/empty_types'
+
 module Blueprinter
   # @api private
   class AssociationExtractor < Extractor
diff --git a/lib/blueprinter/extractors/auto_extractor.rb b/lib/blueprinter/extractors/auto_extractor.rb
index 226ba214..9b302424 100644
--- a/lib/blueprinter/extractors/auto_extractor.rb
+++ b/lib/blueprinter/extractors/auto_extractor.rb
@@ -1,5 +1,12 @@
 # frozen_string_literal: true
 
+require 'blueprinter/extractor'
+require 'blueprinter/empty_types'
+require 'blueprinter/extractors/block_extractor'
+require 'blueprinter/extractors/hash_extractor'
+require 'blueprinter/extractors/public_send_extractor'
+require 'blueprinter/formatters/date_time_formatter'
+
 module Blueprinter
   # @api private
   class AutoExtractor < Extractor
diff --git a/lib/blueprinter/extractors/block_extractor.rb b/lib/blueprinter/extractors/block_extractor.rb
index 925d8e8e..44210262 100644
--- a/lib/blueprinter/extractors/block_extractor.rb
+++ b/lib/blueprinter/extractors/block_extractor.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/extractor'
+
 module Blueprinter
   # @api private
   class BlockExtractor < Extractor
diff --git a/lib/blueprinter/extractors/hash_extractor.rb b/lib/blueprinter/extractors/hash_extractor.rb
index 714739df..fa38efb4 100644
--- a/lib/blueprinter/extractors/hash_extractor.rb
+++ b/lib/blueprinter/extractors/hash_extractor.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/extractor'
+
 module Blueprinter
   # @api private
   class HashExtractor < Extractor
diff --git a/lib/blueprinter/extractors/public_send_extractor.rb b/lib/blueprinter/extractors/public_send_extractor.rb
index d3a0c320..31aa2430 100644
--- a/lib/blueprinter/extractors/public_send_extractor.rb
+++ b/lib/blueprinter/extractors/public_send_extractor.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/extractor'
+
 module Blueprinter
   # @api private
   class PublicSendExtractor < Extractor
diff --git a/lib/blueprinter/helpers/base_helpers.rb b/lib/blueprinter/helpers/base_helpers.rb
index 79079254..7e094ff8 100644
--- a/lib/blueprinter/helpers/base_helpers.rb
+++ b/lib/blueprinter/helpers/base_helpers.rb
@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'blueprinter/helpers/type_helpers'
+require 'blueprinter/view_collection'
+
 module Blueprinter
   module BaseHelpers
     def self.included(base)
diff --git a/lib/blueprinter/view_collection.rb b/lib/blueprinter/view_collection.rb
index e624a118..ccd758a5 100644
--- a/lib/blueprinter/view_collection.rb
+++ b/lib/blueprinter/view_collection.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/view'
+
 module Blueprinter
   # @api private
   class ViewCollection
diff --git a/spec/benchmarks/active_record_big_o_test.rb b/spec/benchmarks/active_record_big_o_test.rb
index ac2d163e..72706cab 100644
--- a/spec/benchmarks/active_record_big_o_test.rb
+++ b/spec/benchmarks/active_record_big_o_test.rb
@@ -2,7 +2,7 @@
 
 require 'activerecord_helper'
 require 'benchmark_helper'
-require 'blueprinter/base'
+require 'blueprinter'
 
 class Blueprinter::ActiveRecordBigOTest < Minitest::Benchmark
   include FactoryBot::Syntax::Methods
diff --git a/spec/benchmarks/active_record_ips_test.rb b/spec/benchmarks/active_record_ips_test.rb
index 57b27db7..4a7c89d2 100644
--- a/spec/benchmarks/active_record_ips_test.rb
+++ b/spec/benchmarks/active_record_ips_test.rb
@@ -2,7 +2,7 @@
 
 require 'activerecord_helper'
 require 'benchmark_helper'
-require 'blueprinter/base'
+require 'blueprinter'
 
 class Blueprinter::ActiveRecordIPSTest < Minitest::Test
   include FactoryBot::Syntax::Methods
diff --git a/spec/benchmarks/big_o_test.rb b/spec/benchmarks/big_o_test.rb
index 19e89420..938032df 100644
--- a/spec/benchmarks/big_o_test.rb
+++ b/spec/benchmarks/big_o_test.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'benchmark_helper'
-require 'blueprinter/base'
+require 'blueprinter'
 require 'ostruct'
 
 class Blueprinter::BigOTest < Minitest::Benchmark
diff --git a/spec/benchmarks/ips_test.rb b/spec/benchmarks/ips_test.rb
index adcc5f22..8eab2bfc 100644
--- a/spec/benchmarks/ips_test.rb
+++ b/spec/benchmarks/ips_test.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'benchmark_helper'
-require 'blueprinter/base'
+require 'blueprinter'
 require 'ostruct'
 
 class Blueprinter::IPSTest < Minitest::Test
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index a6e6707d..09a370fd 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -7,7 +7,7 @@
 
 module SpecHelpers
   def reset_blueprinter_config!
-    Blueprinter.instance_variable_set(:@configuration, nil)
+    Blueprinter.reset_configuration!
   end
 end
 
diff --git a/spec/units/association_spec.rb b/spec/units/association_spec.rb
index 7478ed3a..01e8c148 100644
--- a/spec/units/association_spec.rb
+++ b/spec/units/association_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/association'
+
 describe Blueprinter::Association do
   describe '#initialize' do
     let(:blueprint) { Class.new(Blueprinter::Base) }
diff --git a/spec/units/blueprint_validator_spec.rb b/spec/units/blueprint_validator_spec.rb
index 159b623b..c058ebfa 100644
--- a/spec/units/blueprint_validator_spec.rb
+++ b/spec/units/blueprint_validator_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/blueprint_validator'
+
 describe Blueprinter::BlueprintValidator do
   describe 'validate!' do
     context 'when provided object subclasses Blueprinter::Base' do
diff --git a/spec/units/configuration_spec.rb b/spec/units/configuration_spec.rb
index c162dc5d..80411ef4 100644
--- a/spec/units/configuration_spec.rb
+++ b/spec/units/configuration_spec.rb
@@ -78,6 +78,7 @@ class UpcaseTransform < Blueprinter::Transformer; end
     end
 
     it 'should default the `extractor_default` option' do
+      Blueprinter.reset_configuration!
       expect(Blueprinter.configuration.extractor_default).to eq(Blueprinter::AutoExtractor)
     end
 
diff --git a/spec/units/date_time_formatter_spec.rb b/spec/units/date_time_formatter_spec.rb
index 8b49107d..5184f208 100644
--- a/spec/units/date_time_formatter_spec.rb
+++ b/spec/units/date_time_formatter_spec.rb
@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'date'
+require 'blueprinter/formatters/date_time_formatter'
+
 describe '::DateTimeFormatter' do
   let(:formatter) { Blueprinter::DateTimeFormatter.new }
   let(:valid_date) { Date.new(1994, 3, 4) }
diff --git a/spec/units/deprecation_spec.rb b/spec/units/deprecation_spec.rb
index a1e6e3b5..f73ff3bb 100644
--- a/spec/units/deprecation_spec.rb
+++ b/spec/units/deprecation_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/deprecation'
+
 describe 'Blueprinter::Deprecation' do
   describe '#report' do
     TEST_MESSAGE = "Test Message"
diff --git a/spec/units/extensions_spec.rb b/spec/units/extensions_spec.rb
index eb985197..09a341b3 100644
--- a/spec/units/extensions_spec.rb
+++ b/spec/units/extensions_spec.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require 'ostruct'
+require 'blueprinter/extensions'
 
 describe Blueprinter::Extensions do
   let(:all_extensions) {
diff --git a/spec/units/reflection_spec.rb b/spec/units/reflection_spec.rb
index 89955359..2f86490d 100644
--- a/spec/units/reflection_spec.rb
+++ b/spec/units/reflection_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/reflection'
+
 describe Blueprinter::Reflection do
   let(:category_blueprint) {
     Class.new(Blueprinter::Base) do
diff --git a/spec/units/view_collection_spec.rb b/spec/units/view_collection_spec.rb
index cf86d74b..cde369df 100644
--- a/spec/units/view_collection_spec.rb
+++ b/spec/units/view_collection_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'blueprinter/view_collection'
+
 describe 'ViewCollection' do
   subject(:view_collection) { Blueprinter::ViewCollection.new }