diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8df3c890..1a21db4fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 6.34.2 - 2019-04-26
+* [#642](https://github.com/stripe/stripe-php/pull/642) Fix an issue where existing idempotency keys would be overwritten when using automatic retries
+
 ## 6.34.1 - 2019-04-25
 * [#640](https://github.com/stripe/stripe-php/pull/640) Add missing phpdocs 
 
diff --git a/VERSION b/VERSION
index 0b58e6309..097514703 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.34.1
+6.34.2
diff --git a/lib/Stripe.php b/lib/Stripe.php
index 2acbb25e3..370dde79e 100644
--- a/lib/Stripe.php
+++ b/lib/Stripe.php
@@ -55,7 +55,7 @@ class Stripe
     // @var float Initial delay between retries, in seconds
     private static $initialNetworkRetryDelay = 0.5;
 
-    const VERSION = '6.34.1';
+    const VERSION = '6.34.2';
 
     /**
      * @return string The API key used for requests.