```ruby
Pod::Spec.new do |s|
  s.name         = 'SSZipArchive'
  s.version      = '0.2.1'
  s.summary      = 'Utility class for zipping and unzipping files on iOS and Mac.'
  s.homepage     = 'https://github.com/samsoffes/ssziparchive'
  s.author       = { 'Sam Soffes' => 'sam@samsoff.es' }
  s.source       = { :git => 'https://github.com/samsoffes/ssziparchive.git', :tag => '0.2.1' }
  s.description  = 'SSZipArchive is a simple utility class for zipping and unzipping files on iOS and Mac.'
  s.source_files = 'SSZipArchive.*', 'minizip/*.{h,c}'
  s.library      = 'z'
  s.clean_paths  = ['Tests', '.gitignore']
  s.license      = { :type => 'MIT', :file => 'LICENSE' }

  # Maintain the dir structure for headers
  def s.copy_header_mapping(from)
    from
  end
end
```

Bump version number in podspec
user
```ruby
Pod::Spec.new do |s|
  s.name         = 'SSZipArchive'
  s.version      = '0.2.2'
  s.summary      = 'Utility class for zipping and unzipping files on iOS and Mac.'
  s.homepage     = 'https://github.com/samsoffes/ssziparchive'
  s.author       = { 'Sam Soffes' => 'sam@samsoff.es' }
  s.source       = { :git => 'https://github.com/samsoffes/ssziparchive.git', :tag => '0.2.2' }
  s.description  = 'SSZipArchive is a simple utility class for zipping and unzipping files on iOS and Mac.'
  s.source_files = 'SSZipArchive.*', 'minizip/*.{h,c}'
  s.library      = 'z'
  s.clean_paths  = ['Tests', '.gitignore']
  s.license      = { :type => 'MIT', :file => 'LICENSE' }

  # Maintain the dir structure for headers
  def s.copy_header_mapping(from)
    from
  end
end
```
assistant