```ruby
require_relative "lib/disc/version"

Gem::Specification.new do |s|
  s.name        = 'disc'
  s.version     = Disc::VERSION
  s.summary     = 'A simple and powerful Disque job implementation'
  s.description = 'Easily define and run background jobs using Disque'
  s.authors     = ['pote']
  s.email       = ['pote@tardis.com.uy']
  s.homepage    = 'https://github.com/pote/disc'
  s.license     = 'MIT'
  s.files       = `git ls-files`.split("\n")

  s.executables.push('disc')

  s.add_dependency('disque', '~> 0.0.6')
  s.add_dependency('msgpack', '>= 0.5.6', '=< 0.6.2')
  s.add_dependency('clap', '~> 1.0')
end
```

Fix requirement pattern of mspgack dependency.
user
```ruby
require_relative "lib/disc/version"

Gem::Specification.new do |s|
  s.name        = 'disc'
  s.version     = Disc::VERSION
  s.summary     = 'A simple and powerful Disque job implementation'
  s.description = 'Easily define and run background jobs using Disque'
  s.authors     = ['pote']
  s.email       = ['pote@tardis.com.uy']
  s.homepage    = 'https://github.com/pote/disc'
  s.license     = 'MIT'
  s.files       = `git ls-files`.split("\n")

  s.executables.push('disc')

  s.add_dependency('disque', '~> 0.0.6')
  s.add_dependency('msgpack', '>= 0.5.6', '< 0.6.3')
  s.add_dependency('clap', '~> 1.0')
end
```
assistant