```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'padlock/version'

Gem::Specification.new do |spec|
  spec.name          = "padlock-rails"
  spec.version       = Padlock::VERSION
  spec.authors       = ["Coding Zeal", "Adam Cuppy"]
  spec.email         = ["adam@codingzeal.com"]
  spec.summary       = %q{Lock a record for editing to avoid concurrent editing collision prevention}
  spec.homepage      = "https://github.com/CodingZeal/padlock"
  spec.license       = "MIT"

  spec.files         = `git ls-files`.split($/)
  spec.test_files    = spec.files.grep(%r{^(spec|features)/})
  spec.require_paths = ["lib"]

  spec.add_development_dependency "bundler", ">= 1.3"
  spec.add_development_dependency "rake"
  spec.add_development_dependency "rspec", ">= 3.0"
  spec.add_development_dependency "rspec-its"
  spec.add_development_dependency "generator_spec"
  spec.add_development_dependency "sqlite3", ">= 1.3.0"
  spec.add_development_dependency "pry"
  spec.add_development_dependency "activerecord", ">= 4.0.0"
end
```

Update Sqlite gem to 1.3.13
user
```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'padlock/version'

Gem::Specification.new do |spec|
  spec.name          = "padlock-rails"
  spec.version       = Padlock::VERSION
  spec.authors       = ["Coding Zeal", "Adam Cuppy"]
  spec.email         = ["adam@codingzeal.com"]
  spec.summary       = %q{Lock a record for editing to avoid concurrent editing collision prevention}
  spec.homepage      = "https://github.com/CodingZeal/padlock"
  spec.license       = "MIT"

  spec.files         = `git ls-files`.split($/)
  spec.test_files    = spec.files.grep(%r{^(spec|features)/})
  spec.require_paths = ["lib"]

  spec.add_development_dependency "bundler", ">= 1.3"
  spec.add_development_dependency "rake"
  spec.add_development_dependency "rspec", ">= 3.0"
  spec.add_development_dependency "rspec-its"
  spec.add_development_dependency "generator_spec"
  spec.add_development_dependency "sqlite3", ">= 1.3.13"
  spec.add_development_dependency "pry"
  spec.add_development_dependency "activerecord", ">= 4.0.0"
end
```
assistant