diff --git a/README.md b/README.md
index ae711b4..26194de 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Comma is distributed as a gem, best installed via Bundler.
 Include the gem in your Gemfile:
 
 ```ruby
-gem 'comma', '~> 4.5.0'
+gem 'comma', '~> 4.7.0'
 ```
 
 Or, if you want to live life on the edge, you can get master from the main comma repository: