diff --git a/CHANGELOG.md b/CHANGELOG.md
index de6dd588d6..128b35d702 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.308.3 - 2024-05-24
 
 * `Aws\DynamoDB` - Documentation only updates for DynamoDB.
 * `Aws\IoTFleetWise` - AWS IoT FleetWise now supports listing vehicles with attributes filter, ListVehicles API is updated to support additional attributes filter.
diff --git a/src/Sdk.php b/src/Sdk.php
index a2d83126ae..0fe3f80d7d 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -769,7 +769,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.308.2';
+    const VERSION = '3.308.3';
 
     /** @var array Arguments for creating clients */
     private $args;