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

Gem::Specification.new do |s|
  s.name        = 'vk'
  s.version     = Vk::VERSION
  s.platform    = Gem::Platform::RUBY
  s.authors     = ['Alexander Semyonov']
  s.email       = %w(al@semyonov.us)
  s.homepage    = 'http://github.com/alsemyonov/vk'
  s.summary     = %q{Simple wrapper for vk.com API}
  s.description = %q{Wrapper for calling vk.com API from vk.com application servers and sites using vk.com API}

  s.rubyforge_project = 'vk'

  s.files         = `git ls-files`.split("\n")
  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
  s.require_paths = %w(lib)

  s.add_dependency('activesupport', '>= 3.2.22')
  s.add_dependency('oauth2')

  s.add_development_dependency('rake')
  s.add_development_dependency('rspec', '~> 2.99')
  s.add_development_dependency('yard')
  s.add_development_dependency('redcarpet')
  s.add_development_dependency('webmock')
  s.add_development_dependency('yard-redcarpet-ext')
end
```

Raise activesupport dep to one without security issues
user
```ruby
# -*- encoding: utf-8 -*-
$:.push File.expand_path('../lib', __FILE__)
require 'vk/version'

Gem::Specification.new do |s|
  s.name        = 'vk'
  s.version     = Vk::VERSION
  s.platform    = Gem::Platform::RUBY
  s.authors     = ['Alexander Semyonov']
  s.email       = %w(al@semyonov.us)
  s.homepage    = 'http://github.com/alsemyonov/vk'
  s.summary     = %q{Simple wrapper for vk.com API}
  s.description = %q{Wrapper for calling vk.com API from vk.com application servers and sites using vk.com API}

  s.rubyforge_project = 'vk'

  s.files         = `git ls-files`.split("\n")
  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
  s.require_paths = %w(lib)

  s.add_dependency('activesupport', '>= 4.2.2')
  s.add_dependency('oauth2')

  s.add_development_dependency('rake')
  s.add_development_dependency('rspec', '~> 2.99')
  s.add_development_dependency('yard')
  s.add_development_dependency('redcarpet')
  s.add_development_dependency('webmock')
  s.add_development_dependency('yard-redcarpet-ext')
end
```
assistant