```ruby
Gem::Specification.new do |s|
  s.name        = 'hebruby'
  s.version     = '2.1.0'
  s.date        = '2016-05-20'
  s.summary     = "Convert Hebrew dates to/from Julian dates"
  s.description = "Convert Hebrew dates to/from Julian dates"
  s.authors     = ["Ron Evans"]
  s.email       = 'nick@quaran.to'
  s.files       = ["lib/hebruby.rb"]
  s.homepage    =
    'http://rubygems.org/gems/hebruby'
  s.license       = 'MIT'
end
```

Update gemspec file for v2.1.1 release
user
```ruby
Gem::Specification.new do |s|
  s.name        = 'hebruby'
  s.version     = '2.1.1'
  s.date        = '2018-04-01'
  s.summary     = "Convert Hebrew dates to/from Julian dates"
  s.description = "Convert Hebrew dates to/from Julian dates"
  s.authors     = ["Ron Evans"]
  s.email       = 'ron@hybridgroup.com'
  s.files       = ["lib/hebruby.rb"]
  s.homepage    =
    'http://rubygems.org/gems/hebruby'
  s.license       = 'MIT'
end
```
assistant