diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c03e5748f..04b1dc566b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.151.0 - 2020-08-26
 
 * `Aws\Appflow` - Amazon AppFlow is a fully managed integration service that securely transfers data between AWS services and SaaS applications. This update releases the first version of Amazon AppFlow APIs and SDK.
 * `Aws\Route53Resolver` - Route 53 Resolver adds support for resolver query logs
diff --git a/src/Sdk.php b/src/Sdk.php
index 08bc6f0e85..d4284fe98c 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -461,7 +461,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.150.3';
+    const VERSION = '3.151.0';
 
     /** @var array Arguments for creating clients */
     private $args;