diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f0fdfce1..f9716b54d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 6.4.2 - 2018-03-17
+* [#458](https://github.com/stripe/stripe-php/pull/458) Add PHPDoc for `account` on `\Stripe\Event`
+
 ## 6.4.1 - 2018-03-02
 * [#455](https://github.com/stripe/stripe-php/pull/455) Fix namespaces in PHPDoc
 * [#456](https://github.com/stripe/stripe-php/pull/456) Fix namespaces for some exceptions
diff --git a/VERSION b/VERSION
index 4c77920fd..a4c853ea2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.4.1
+6.4.2
diff --git a/lib/Stripe.php b/lib/Stripe.php
index 8b7b51b15..c24bf7ab0 100644
--- a/lib/Stripe.php
+++ b/lib/Stripe.php
@@ -52,7 +52,7 @@ class Stripe
     // @var float Initial delay between retries, in seconds
     private static $initialNetworkRetryDelay = 0.5;
 
-    const VERSION = '6.4.1';
+    const VERSION = '6.4.2';
 
     /**
      * @return string The API key used for requests.