diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44d32a35b7..5f25266eaf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.275.6 - 2023-07-11
 
 * `Aws\CognitoIdentityProvider` - API model updated in Amazon Cognito
 
diff --git a/src/Sdk.php b/src/Sdk.php
index 7e47511116..beb218b81e 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -705,7 +705,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.275.5';
+    const VERSION = '3.275.6';
 
     /** @var array Arguments for creating clients */
     private $args;