diff --git a/README.md b/README.md
index 6de5ed6..31a230b 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,7 @@ A [Rack::Request](http://www.rubydoc.info/gems/rack/Rack/Request) object is pass
 # (blacklist & throttles are skipped)
 Rack::Attack.whitelist('allow from localhost') do |req|
   # Requests are allowed if the return value is truthy
-  '127.0.0.1' == req.ip
+  '127.0.0.1' == req.ip || '::1' == req.ip
 end
 ```