diff --git a/lib/rake.rb b/lib/rake.rb
index 0f3d6a330..77cb0c73a 100644
--- a/lib/rake.rb
+++ b/lib/rake.rb
@@ -23,7 +23,7 @@
 
 module Rake; end
 
-require "rake/version"
+require_relative "rake/version"
 
 require "rbconfig"
 require "fileutils"
@@ -31,34 +31,34 @@ module Rake; end
 require "monitor"
 require "optparse"
 
-require "rake/ext/string"
+require_relative "rake/ext/string"
 
-require "rake/win32"
+require_relative "rake/win32"
 
-require "rake/linked_list"
-require "rake/cpu_counter"
-require "rake/scope"
-require "rake/task_argument_error"
-require "rake/rule_recursion_overflow_error"
-require "rake/rake_module"
-require "rake/trace_output"
-require "rake/pseudo_status"
-require "rake/task_arguments"
-require "rake/invocation_chain"
-require "rake/task"
-require "rake/file_task"
-require "rake/file_creation_task"
-require "rake/multi_task"
-require "rake/dsl_definition"
-require "rake/file_utils_ext"
-require "rake/file_list"
-require "rake/default_loader"
-require "rake/early_time"
-require "rake/late_time"
-require "rake/name_space"
-require "rake/task_manager"
-require "rake/application"
-require "rake/backtrace"
+require_relative "rake/linked_list"
+require_relative "rake/cpu_counter"
+require_relative "rake/scope"
+require_relative "rake/task_argument_error"
+require_relative "rake/rule_recursion_overflow_error"
+require_relative "rake/rake_module"
+require_relative "rake/trace_output"
+require_relative "rake/pseudo_status"
+require_relative "rake/task_arguments"
+require_relative "rake/invocation_chain"
+require_relative "rake/task"
+require_relative "rake/file_task"
+require_relative "rake/file_creation_task"
+require_relative "rake/multi_task"
+require_relative "rake/dsl_definition"
+require_relative "rake/file_utils_ext"
+require_relative "rake/file_list"
+require_relative "rake/default_loader"
+require_relative "rake/early_time"
+require_relative "rake/late_time"
+require_relative "rake/name_space"
+require_relative "rake/task_manager"
+require_relative "rake/application"
+require_relative "rake/backtrace"
 
 $trace = false
 
diff --git a/lib/rake/application.rb b/lib/rake/application.rb
index 2ea8c780c..33ca872dd 100644
--- a/lib/rake/application.rb
+++ b/lib/rake/application.rb
@@ -1,12 +1,12 @@
 # frozen_string_literal: true
 require "optparse"
 
-require "rake/task_manager"
-require "rake/file_list"
-require "rake/thread_pool"
-require "rake/thread_history_display"
-require "rake/trace_output"
-require "rake/win32"
+require_relative "task_manager"
+require_relative "file_list"
+require_relative "thread_pool"
+require_relative "thread_history_display"
+require_relative "trace_output"
+require_relative "win32"
 
 module Rake
 
diff --git a/lib/rake/clean.rb b/lib/rake/clean.rb
index b52e832a9..c49adf933 100644
--- a/lib/rake/clean.rb
+++ b/lib/rake/clean.rb
@@ -12,7 +12,7 @@
 #            The intent of this task is to return a project to its
 #            pristine, just unpacked state.
 
-require "rake"
+require_relative "../rake"
 
 # :stopdoc:
 
diff --git a/lib/rake/dsl_definition.rb b/lib/rake/dsl_definition.rb
index 6bd660cb6..37990687a 100644
--- a/lib/rake/dsl_definition.rb
+++ b/lib/rake/dsl_definition.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 # Rake DSL functions.
-require "rake/file_utils_ext"
+require_relative "file_utils_ext"
 
 module Rake
 
diff --git a/lib/rake/ext/string.rb b/lib/rake/ext/string.rb
index c70236ae9..c82f53245 100644
--- a/lib/rake/ext/string.rb
+++ b/lib/rake/ext/string.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "rake/ext/core"
+require_relative "core"
 
 class String
 
diff --git a/lib/rake/file_creation_task.rb b/lib/rake/file_creation_task.rb
index 5a4c68492..3df254cea 100644
--- a/lib/rake/file_creation_task.rb
+++ b/lib/rake/file_creation_task.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
-require "rake/file_task"
-require "rake/early_time"
+require_relative "file_task"
+require_relative "early_time"
 
 module Rake
 
diff --git a/lib/rake/file_list.rb b/lib/rake/file_list.rb
index 22c339f24..76078d269 100644
--- a/lib/rake/file_list.rb
+++ b/lib/rake/file_list.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
-require "rake/cloneable"
-require "rake/file_utils_ext"
-require "rake/ext/string"
+require_relative "cloneable"
+require_relative "file_utils_ext"
+require_relative "ext/string"
 
 module Rake
 
diff --git a/lib/rake/file_task.rb b/lib/rake/file_task.rb
index c36b49699..8c398bcf0 100644
--- a/lib/rake/file_task.rb
+++ b/lib/rake/file_task.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
-require "rake/task"
-require "rake/early_time"
+require_relative "task"
+require_relative "early_time"
 
 module Rake
 
diff --git a/lib/rake/file_utils_ext.rb b/lib/rake/file_utils_ext.rb
index e91ad595f..687d80584 100644
--- a/lib/rake/file_utils_ext.rb
+++ b/lib/rake/file_utils_ext.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "rake/file_utils"
+require_relative "file_utils"
 
 module Rake
   #
diff --git a/lib/rake/packagetask.rb b/lib/rake/packagetask.rb
index 1b014d1ca..80a4acf02 100644
--- a/lib/rake/packagetask.rb
+++ b/lib/rake/packagetask.rb
@@ -2,8 +2,8 @@
 # Define a package task library to aid in the definition of
 # redistributable package files.
 
-require "rake"
-require "rake/tasklib"
+require_relative "../rake"
+require_relative "tasklib"
 
 module Rake
 
diff --git a/lib/rake/phony.rb b/lib/rake/phony.rb
index 8caa5de17..8f62b7c8d 100644
--- a/lib/rake/phony.rb
+++ b/lib/rake/phony.rb
@@ -5,7 +5,7 @@
 #
 # See FileTask#out_of_date? and Task#timestamp for more info.
 
-require "rake"
+require_relative "../rake"
 
 task :phony
 
diff --git a/lib/rake/rake_test_loader.rb b/lib/rake/rake_test_loader.rb
index 3ecee5d85..05d89fc45 100644
--- a/lib/rake/rake_test_loader.rb
+++ b/lib/rake/rake_test_loader.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rake/file_list"
+require_relative "file_list"
 
 # Load the test files from the command line.
 argv = ARGV.select do |argument|
diff --git a/lib/rake/task.rb b/lib/rake/task.rb
index a8ed24ddf..e61ccb641 100644
--- a/lib/rake/task.rb
+++ b/lib/rake/task.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "rake/invocation_exception_mixin"
+require_relative "invocation_exception_mixin"
 
 module Rake
 
diff --git a/lib/rake/tasklib.rb b/lib/rake/tasklib.rb
index 5354b4f94..597a2d650 100644
--- a/lib/rake/tasklib.rb
+++ b/lib/rake/tasklib.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "rake"
+require_relative "../rake"
 
 module Rake
 
diff --git a/lib/rake/testtask.rb b/lib/rake/testtask.rb
index 56521d23d..7cf1ece5d 100644
--- a/lib/rake/testtask.rb
+++ b/lib/rake/testtask.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
-require "rake"
-require "rake/tasklib"
+require_relative "../rake"
+require_relative "tasklib"
 
 module Rake
 
diff --git a/lib/rake/thread_history_display.rb b/lib/rake/thread_history_display.rb
index 412ea37be..50e2bc8a4 100644
--- a/lib/rake/thread_history_display.rb
+++ b/lib/rake/thread_history_display.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "rake/private_reader"
+require_relative "private_reader"
 
 module Rake
 
diff --git a/lib/rake/thread_pool.rb b/lib/rake/thread_pool.rb
index 76aa3b74b..d791caa6e 100644
--- a/lib/rake/thread_pool.rb
+++ b/lib/rake/thread_pool.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rake/promise"
+require_relative "promise"
 require "set"
 
 module Rake