diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bf0b8bc1c..03a683b58f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.255.3 - 2022-12-23
 
 * `Aws\Connect` - Support for Routing Profile filter, SortCriteria, and grouping by Routing Profiles for GetCurrentMetricData API. Support for RoutingProfiles, UserHierarchyGroups, and Agents as filters, NextStatus and AgentStatusName for GetCurrentUserData. Adds ApproximateTotalCount to both APIs.
 * `Aws\ConnectParticipant` - Amazon Connect Chat introduces the Message Receipts feature. This feature allows agents and customers to receive message delivered and read receipts after they send a chat message.
diff --git a/src/Sdk.php b/src/Sdk.php
index ece174d32f..979b0ef778 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -677,7 +677,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.255.2';
+    const VERSION = '3.255.3';
 
     /** @var array Arguments for creating clients */
     private $args;