diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4741097732..8ea91aac6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.283.12 - 2023-10-25
 
 * `Aws\ConnectCases` - Increase maximum length of CommentBody to 3000, and increase maximum length of StringValue to 1500
 * `Aws\IAM` - Updates to GetAccessKeyLastUsed action to replace NoSuchEntity error with AccessDeniedException error.
diff --git a/src/Sdk.php b/src/Sdk.php
index 8e28a58179..434f348316 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -719,7 +719,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.283.11';
+    const VERSION = '3.283.12';
 
     /** @var array Arguments for creating clients */
     private $args;