sign.gemspec in sign-1.0.2 vs sign.gemspec in sign-1.0.3

@@ -1,8 +1,10 @@
 # coding: utf-8
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+vendor = File.expand_path("../vendor", __FILE__)
+$LOAD_PATH.unshift(vendor) unless $LOAD_PATH.include?(vendor)
 require "sign/version"
 
 Gem::Specification.new do |spec|
   spec.name          = "sign"
   spec.version       = Sign::VERSION
@@ -24,10 +26,10 @@
   spec.files         = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end
   spec.bindir        = "bin"
   spec.executables   = spec.files.grep(%r{^bin/sign}) { |f| File.basename(f) }
-  spec.require_paths = ["lib"]
+  spec.require_paths = ["lib", "vendor"]
   spec.required_ruby_version = '>= 2.2.8'
 
   spec.add_development_dependency "bundler", "~> 1.15"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"