diff --git a/CHANGELOG.md b/CHANGELOG.md
index 81a168585a..880ab3bf8f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.308.1 - 2024-05-22
 
 * `Aws\KMS` - This release includes feature to import customer's asymmetric (RSA, ECC and SM2) and HMAC keys into KMS in China.
 * `Aws\CloudFormation` - Added DeletionMode FORCE_DELETE_STACK for deleting a stack that is stuck in DELETE_FAILED state due to resource deletion failure.
diff --git a/src/Sdk.php b/src/Sdk.php
index aea86e63e7..71ada59f09 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -769,7 +769,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.308.0';
+    const VERSION = '3.308.1';
 
     /** @var array Arguments for creating clients */
     private $args;