diff --git a/lint_roller.gemspec b/lint_roller.gemspec
index 36408fb..8f7eee2 100644
--- a/lint_roller.gemspec
+++ b/lint_roller.gemspec
@@ -15,14 +15,9 @@ Gem::Specification.new do |spec|
   spec.metadata["source_code_uri"] = spec.homepage
   spec.metadata["changelog_uri"] = "#{spec.homepage}/blob/main/CHANGELOG.md"
 
-  # Specify which files should be added to the gem when it is released.
-  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
-  spec.files = Dir.chdir(__dir__) do
-    `git ls-files -z`.split("\x0").reject do |f|
-      (File.expand_path(f) == __FILE__) || f.start_with?(*%w[bin/ test/ spec/ features/ .git .circleci appveyor])
-    end
-  end
-  spec.bindir = "exe"
-  spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
+
+  spec.files = Dir["lib/**/*"]
+  spec.extra_rdoc_files = ["README.md", "LICENSE.txt", "CHANGELOG.md"]
+  spec.test_files = Dir["test/**/*"]
 end