```ruby
# -*- encoding: utf-8 -*-
require File.expand_path('../lib/flipper/version', __FILE__)
require File.expand_path('../lib/flipper/metadata', __FILE__)

flipper_active_support_cache_store_files = lambda do |file|
  file =~ /active_support_cache_store/
end

Gem::Specification.new do |gem|
  gem.authors       = ['John Nunemaker']
  gem.email         = ['nunemaker@gmail.com']
  gem.summary       = 'ActiveSupport::Cache store adapter for Flipper'
  gem.license       = 'MIT'
  gem.homepage      = 'https://github.com/jnunemaker/flipper'

  gem.files         = `git ls-files`.split("\n").select(&flipper_active_support_cache_store_files) + ['lib/flipper/version.rb']
  gem.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n").select(&flipper_active_support_cache_store_files)
  gem.name          = 'flipper-active_support_cache_store'
  gem.require_paths = ['lib']
  gem.version       = Flipper::VERSION
  gem.metadata      = Flipper::METADATA

  gem.add_dependency 'flipper', "~> #{Flipper::VERSION}"
  gem.add_dependency 'activesupport', '>= 4.2', '< 7'
end
```

Update gemspec for active support to < 8 also
user
```ruby
# -*- encoding: utf-8 -*-
require File.expand_path('../lib/flipper/version', __FILE__)
require File.expand_path('../lib/flipper/metadata', __FILE__)

flipper_active_support_cache_store_files = lambda do |file|
  file =~ /active_support_cache_store/
end

Gem::Specification.new do |gem|
  gem.authors       = ['John Nunemaker']
  gem.email         = ['nunemaker@gmail.com']
  gem.summary       = 'ActiveSupport::Cache store adapter for Flipper'
  gem.license       = 'MIT'
  gem.homepage      = 'https://github.com/jnunemaker/flipper'

  gem.files         = `git ls-files`.split("\n").select(&flipper_active_support_cache_store_files) + ['lib/flipper/version.rb']
  gem.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n").select(&flipper_active_support_cache_store_files)
  gem.name          = 'flipper-active_support_cache_store'
  gem.require_paths = ['lib']
  gem.version       = Flipper::VERSION
  gem.metadata      = Flipper::METADATA

  gem.add_dependency 'flipper', "~> #{Flipper::VERSION}"
  gem.add_dependency 'activesupport', '>= 4.2', '< 8'
end
```
assistant