diff --git a/benchmark.gemspec b/benchmark.gemspec
index 5d071c9..64d3aff 100644
--- a/benchmark.gemspec
+++ b/benchmark.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   # 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(File.expand_path('..', __FILE__)) do
-    `git ls-files -z 2>#{IO::NULL}`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+    `git ls-files -z 2>#{IO::NULL}`.split("\x0").reject { |f| f.match(%r{^(test|spec|features|bin|.github)/}) }
   end
   spec.bindir        = "exe"
   spec.executables   = []