diff --git a/lib/shakapacker.rb b/lib/shakapacker.rb
index 49c0df8f..e7c5ffd2 100644
--- a/lib/shakapacker.rb
+++ b/lib/shakapacker.rb
@@ -37,13 +37,13 @@ def ensure_log_goes_to_stdout
   delegate :bootstrap, :clean, :clobber, :compile, to: :commands
 end
 
-require "shakapacker/instance"
-require "shakapacker/env"
-require "shakapacker/configuration"
-require "shakapacker/manifest"
-require "shakapacker/compiler"
-require "shakapacker/commands"
-require "shakapacker/dev_server"
-require "shakapacker/deprecation_helper"
-
-require "shakapacker/railtie" if defined?(Rails)
+require_relative "shakapacker/instance"
+require_relative "shakapacker/env"
+require_relative "shakapacker/configuration"
+require_relative "shakapacker/manifest"
+require_relative "shakapacker/compiler"
+require_relative "shakapacker/commands"
+require_relative "shakapacker/dev_server"
+require_relative "shakapacker/deprecation_helper"
+
+require_relative "shakapacker/railtie" if defined?(Rails)
diff --git a/lib/shakapacker/compiler.rb b/lib/shakapacker/compiler.rb
index 310b891c..a6f9d084 100644
--- a/lib/shakapacker/compiler.rb
+++ b/lib/shakapacker/compiler.rb
@@ -1,7 +1,8 @@
 require "open3"
-require "shakapacker/compiler_strategy"
 require "fileutils"
 
+require_relative "compiler_strategy"
+
 class Shakapacker::Compiler
   # Additional environment variables that the compiler is being run with
   # Shakapacker::Compiler.env['FRONTEND_API_KEY'] = 'your_secret_key'
diff --git a/lib/shakapacker/compiler_strategy.rb b/lib/shakapacker/compiler_strategy.rb
index 93f6ddaa..7e824f74 100644
--- a/lib/shakapacker/compiler_strategy.rb
+++ b/lib/shakapacker/compiler_strategy.rb
@@ -1,5 +1,5 @@
-require "shakapacker/mtime_strategy"
-require "shakapacker/digest_strategy"
+require_relative "mtime_strategy"
+require_relative "digest_strategy"
 
 module Shakapacker
   class CompilerStrategy
diff --git a/lib/shakapacker/dev_server_runner.rb b/lib/shakapacker/dev_server_runner.rb
index 67b9a5ce..441ddb1f 100644
--- a/lib/shakapacker/dev_server_runner.rb
+++ b/lib/shakapacker/dev_server_runner.rb
@@ -1,8 +1,9 @@
 require "shellwords"
 require "socket"
-require "shakapacker/configuration"
-require "shakapacker/dev_server"
-require "shakapacker/runner"
+
+require_relative "configuration"
+require_relative "dev_server"
+require_relative "runner"
 
 module Shakapacker
   class DevServerRunner < Shakapacker::Runner
diff --git a/lib/shakapacker/digest_strategy.rb b/lib/shakapacker/digest_strategy.rb
index 24b26abe..200d2da4 100644
--- a/lib/shakapacker/digest_strategy.rb
+++ b/lib/shakapacker/digest_strategy.rb
@@ -1,5 +1,6 @@
 require "digest/sha1"
-require "shakapacker/base_strategy"
+
+require_relative "base_strategy"
 
 module Shakapacker
   class DigestStrategy < BaseStrategy
diff --git a/lib/shakapacker/mtime_strategy.rb b/lib/shakapacker/mtime_strategy.rb
index a33dac49..9c795a0b 100644
--- a/lib/shakapacker/mtime_strategy.rb
+++ b/lib/shakapacker/mtime_strategy.rb
@@ -1,4 +1,4 @@
-require "shakapacker/base_strategy"
+require_relative "base_strategy"
 
 module Shakapacker
   class MtimeStrategy < BaseStrategy
diff --git a/lib/shakapacker/railtie.rb b/lib/shakapacker/railtie.rb
index 6ae9cde6..379a8d23 100644
--- a/lib/shakapacker/railtie.rb
+++ b/lib/shakapacker/railtie.rb
@@ -1,9 +1,9 @@
 require "rails/railtie"
 
-require "shakapacker/helper"
-require "shakapacker/dev_server_proxy"
-require "shakapacker/version_checker"
-require "shakapacker/utils/manager"
+require_relative "helper"
+require_relative "dev_server_proxy"
+require_relative "version_checker"
+require_relative "utils/manager"
 
 class Shakapacker::Engine < ::Rails::Engine
   # Allows Shakapacker config values to be set via Rails env config files
diff --git a/lib/shakapacker/runner.rb b/lib/shakapacker/runner.rb
index 5b7515fb..27785a18 100644
--- a/lib/shakapacker/runner.rb
+++ b/lib/shakapacker/runner.rb
@@ -1,5 +1,6 @@
-require "shakapacker/utils/misc"
-require "shakapacker/utils/manager"
+require_relative "utils/misc"
+require_relative "utils/manager"
+
 require "package_json"
 
 module Shakapacker
diff --git a/lib/shakapacker/version_checker.rb b/lib/shakapacker/version_checker.rb
index a2d0d59c..4e51cbc9 100644
--- a/lib/shakapacker/version_checker.rb
+++ b/lib/shakapacker/version_checker.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "shakapacker/version"
+require_relative "version"
 
 module Shakapacker
   class VersionChecker
diff --git a/lib/shakapacker/webpack_runner.rb b/lib/shakapacker/webpack_runner.rb
index 0309ceda..db53b990 100644
--- a/lib/shakapacker/webpack_runner.rb
+++ b/lib/shakapacker/webpack_runner.rb
@@ -1,5 +1,6 @@
 require "shellwords"
-require "shakapacker/runner"
+
+require_relative "runner"
 
 module Shakapacker
   class WebpackRunner < Shakapacker::Runner