README.md in twilio-ruby-3.13.0 vs README.md in twilio-ruby-3.13.1

@@ -186,10 +186,9 @@
 implementations:
 
 - Ruby 2.1.0
 - Ruby 2.0.0
 - Ruby 1.9.3
-- Ruby 1.8.7
 - [JRuby][jruby]
 - [Rubinius][rubinius]
 
 ## More Information