diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f7e28d0b2..8ac6dd8bf7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.285.4 - 2023-11-10
 
 * `Aws\MediaConvert` - This release includes the ability to specify any input source as the primary input for corresponding follow modes, and allows users to specify fit and fill behaviors without resizing content.
 * `Aws\EC2` - EC2 adds API updates to enable ENA Express at instance launch time.
diff --git a/src/Sdk.php b/src/Sdk.php
index f25f304537..9450950bce 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -721,7 +721,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.285.3';
+    const VERSION = '3.285.4';
 
     /** @var array Arguments for creating clients */
     private $args;