```ruby
Gem::Specification.new do |s|
  s.name        = 'gitlab_git'
  s.version     = `cat VERSION`
  s.date        = Time.now.strftime("%Y-%m-%d")
  s.summary     = "Gitlab::Git library"
  s.description = "GitLab wrapper around git objects"
  s.authors     = ['Dmitriy Zaporozhets']
  s.email       = 'dmitriy.zaporozhets@gmail.com'
  s.license     = 'MIT'
  s.files       = `git ls-files lib/`.split("\n") << 'VERSION'
  s.homepage    =
    'https://gitlab.com/gitlab-org/gitlab_git'

  s.add_dependency('github-linguist', '~> 5.1.0')
  s.add_dependency('activesupport', '>= 4.0')
  s.add_dependency('rugged', '~> 0.26.0')
  s.add_dependency('charlock_holmes', '~> 0.7.3')
end
```

Update github-linguist requirement to >= 5.1, < 5.3
user
```ruby
Gem::Specification.new do |s|
  s.name        = 'gitlab_git'
  s.version     = `cat VERSION`
  s.date        = Time.now.strftime("%Y-%m-%d")
  s.summary     = "Gitlab::Git library"
  s.description = "GitLab wrapper around git objects"
  s.authors     = ['Dmitriy Zaporozhets']
  s.email       = 'dmitriy.zaporozhets@gmail.com'
  s.license     = 'MIT'
  s.files       = `git ls-files lib/`.split("\n") << 'VERSION'
  s.homepage    =
    'https://gitlab.com/gitlab-org/gitlab_git'

  s.add_dependency('github-linguist', '>= 5.1', '< 5.3')
  s.add_dependency('activesupport', '>= 4.0')
  s.add_dependency('rugged', '~> 0.26.0')
  s.add_dependency('charlock_holmes', '~> 0.7.3')
end
```
assistant