spandx.gemspec in spandx-0.13.0 vs spandx.gemspec in spandx-0.13.1

@@ -20,9 +20,10 @@
   spec.metadata['source_code_uri'] = 'https://github.com/spandx/spandx'
   spec.metadata['changelog_uri'] = 'https://github.com/spandx/spandx/blob/master/CHANGELOG.md'
 
   spec.files = Dir.chdir(File.expand_path(__dir__)) do
     Dir.glob('exe/*') +
+      Dir.glob('ext/**/**/*.{rb,c,h}') +
       Dir.glob('lib/**/**/*.{rb}') +
       Dir.glob('*.{md,gemspec,txt}')
   end
 
   spec.bindir        = 'exe'