README.md in twilio-ruby-5.31.4 vs README.md in twilio-ruby-5.31.5

- old
+ new

@@ -30,16 +30,16 @@
 ## Installation
 
 To install using [Bundler][bundler] grab the latest stable version:
 
 ```ruby
-gem 'twilio-ruby', '~> 5.31.4'
+gem 'twilio-ruby', '~> 5.31.5'
 ```
 
 To manually install `twilio-ruby` via [Rubygems][rubygems] simply gem install:
 
 ```bash
-gem install twilio-ruby -v 5.31.4
+gem install twilio-ruby -v 5.31.5
 ```
 
 To build and install the development branch yourself from the latest source:
 
 ```bash