diff --git a/lib/puppet/modulebuilder/builder.rb b/lib/puppet/modulebuilder/builder.rb
index 179b13b..66ce9b3 100644
--- a/lib/puppet/modulebuilder/builder.rb
+++ b/lib/puppet/modulebuilder/builder.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require 'fileutils'
 require 'logger'
 
 module Puppet::Modulebuilder
diff --git a/puppet-modulebuilder.gemspec b/puppet-modulebuilder.gemspec
index c8b4ced..0703ae4 100644
--- a/puppet-modulebuilder.gemspec
+++ b/puppet-modulebuilder.gemspec
@@ -26,6 +26,9 @@ Gem::Specification.new do |spec|
   # minitar and pathspec is required for building Puppet modules
   spec.add_dependency 'minitar', '>= 0.9', '< 2'
   spec.add_dependency 'pathspec', '>= 0.2.1', '< 3.0.0'
+  # logger and fileutils are no longer default gems as of Ruby 4.0
+  spec.add_dependency 'fileutils', '~> 1.7'
+  spec.add_dependency 'logger', '~> 1.5'
 
   spec.add_development_dependency 'voxpupuli-rubocop', '~> 4.0.0'