pws-otp.gemspec in pws-otp-0.9.0 vs pws-otp.gemspec in pws-otp-0.9.1

@@ -6,20 +6,20 @@
   gem.name          = "pws-otp"
   gem.version       = PWS::Otp::VERSION
   gem.summary       = "OTP support for PWS"
   gem.description   = "Experimental OTP support for PWS"
   gem.authors       = ["Jan Lelis"]
-  gem.email         = ["[e-mail]"]
+  gem.email         = ["[e-mail]"]
   gem.homepage      = "https://github.com/janlelis/pws-otp"
   gem.license       = "MIT"
 
   gem.files         = Dir["{**/}{.*,*}"].select{ |path| File.file?(path) && path !~ /^pkg/ }
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
   gem.add_dependency "pws", "~> 1.0"
-  gem.add_dependency "rotp", "~> 3.3"
+  gem.add_dependency "rotp", "~> 6.2"
   gem.add_dependency "rationalist", "~> 2.0"
 
-  gem.required_ruby_version = "~> 2.1"
+  gem.required_ruby_version = ">= 2.1", "< 4.0"
 end