diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54ff19f27..654f08a82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 6.15.0 - 2018-08-03
+* [#504](https://github.com/stripe/stripe-php/pull/504) Add cancel support for topups
+
 ## 6.14.0 - 2018-08-02
 * [#505](https://github.com/stripe/stripe-php/pull/505) Add support for file links
 
diff --git a/VERSION b/VERSION
index 68390495f..a3748c562 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.14.0
+6.15.0
diff --git a/lib/Stripe.php b/lib/Stripe.php
index 5f3e70ca9..70d150679 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 = '6.14.0';
+    const VERSION = '6.15.0';
 
     /**
      * @return string The API key used for requests.