diff --git a/README.md b/README.md
index af392d4d7..e9df316e5 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ the guidelines [here](CONTRIBUTING.md) first.
   * ` PhoneNumberOfflineGeocoder ` - provides geographical information related to a phone number.
   * ` PhoneNumberToCarrierMapper ` - provides carrier information related to a phone number.
 
-# Demo (v8.4.1)
+# Demo (v8.4.2)
 [Java](http://libphonenumber.appspot.com/)
 
 [JavaScript](https://rawgit.com/googlei18n/libphonenumber/master/javascript/i18n/phonenumbers/demo-compiled.html)