```ruby
# encoding: utf-8
Gem::Specification.new do |s|
  s.name        = "indubitably"
  s.version     = "0.4.1"
  s.date        = "2015-02-13"
  s.summary     = "Maybe monad"
  s.description = "An implementation of Maybe/Option for Ruby."
  s.authors     = ["Blake Hyde", "Mikko Koski"]
  s.email       = "syrion@gmail.com"
  s.files       = ["lib/indubitably.rb"]
  s.license     = "MIT"
  s.homepage    = "https://github.com/asthasr/ruby-indubitably"
end
```

Update gem version to include (minor) changes in master.
user
```ruby
# encoding: utf-8
Gem::Specification.new do |s|
  s.name        = "indubitably"
  s.version     = "0.4.2"
  s.date        = "2017-01-11"
  s.summary     = "Maybe monad"
  s.description = "An implementation of Maybe/Option for Ruby."
  s.authors     = ["Blake Hyde", "Mikko Koski"]
  s.email       = "syrion@gmail.com"
  s.files       = ["lib/indubitably.rb"]
  s.license     = "MIT"
  s.homepage    = "https://github.com/asthasr/ruby-indubitably"
end
```
assistant