diff --git a/manifest.json b/manifest.json
index 1cfd67fbf..3184b9189 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
     "variables": {
-        "${LATEST}": "3.356.7"
+        "${LATEST}": "3.356.10"
     },
     "endpoints": "https://raw.githubusercontent.com/aws/aws-sdk-php/${LATEST}/src/data/endpoints.json",
     "services": {
diff --git a/src/Service/Route53/CHANGELOG.md b/src/Service/Route53/CHANGELOG.md
index 4589d58ef..08b786f46 100644
--- a/src/Service/Route53/CHANGELOG.md
+++ b/src/Service/Route53/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- AWS api-change: Amazon Route 53 now supports the Asia Pacific (New Zealand) Region (ap-southeast-6) for latency records, geoproximity records, and private DNS for Amazon VPCs in that region.
+
 ## 2.10.0
 
 ### Added
diff --git a/src/Service/Route53/composer.json b/src/Service/Route53/composer.json
index 64fcaeee4..19ec095ec 100644
--- a/src/Service/Route53/composer.json
+++ b/src/Service/Route53/composer.json
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.10-dev"
+            "dev-master": "2.11-dev"
         }
     }
 }
diff --git a/src/Service/Route53/src/Enum/ResourceRecordSetRegion.php b/src/Service/Route53/src/Enum/ResourceRecordSetRegion.php
index 1fcbae368..841c58862 100644
--- a/src/Service/Route53/src/Enum/ResourceRecordSetRegion.php
+++ b/src/Service/Route53/src/Enum/ResourceRecordSetRegion.php
@@ -15,6 +15,7 @@ final class ResourceRecordSetRegion
     public const AP_SOUTHEAST_3 = 'ap-southeast-3';
     public const AP_SOUTHEAST_4 = 'ap-southeast-4';
     public const AP_SOUTHEAST_5 = 'ap-southeast-5';
+    public const AP_SOUTHEAST_6 = 'ap-southeast-6';
     public const AP_SOUTHEAST_7 = 'ap-southeast-7';
     public const AP_SOUTH_1 = 'ap-south-1';
     public const AP_SOUTH_2 = 'ap-south-2';
@@ -56,6 +57,7 @@ public static function exists(string $value): bool
             self::AP_SOUTHEAST_3 => true,
             self::AP_SOUTHEAST_4 => true,
             self::AP_SOUTHEAST_5 => true,
+            self::AP_SOUTHEAST_6 => true,
             self::AP_SOUTHEAST_7 => true,
             self::AP_SOUTH_1 => true,
             self::AP_SOUTH_2 => true,
diff --git a/src/Service/Route53/src/Enum/VPCRegion.php b/src/Service/Route53/src/Enum/VPCRegion.php
index 22b097827..979e62d19 100644
--- a/src/Service/Route53/src/Enum/VPCRegion.php
+++ b/src/Service/Route53/src/Enum/VPCRegion.php
@@ -15,6 +15,7 @@ final class VPCRegion
     public const AP_SOUTHEAST_3 = 'ap-southeast-3';
     public const AP_SOUTHEAST_4 = 'ap-southeast-4';
     public const AP_SOUTHEAST_5 = 'ap-southeast-5';
+    public const AP_SOUTHEAST_6 = 'ap-southeast-6';
     public const AP_SOUTHEAST_7 = 'ap-southeast-7';
     public const AP_SOUTH_1 = 'ap-south-1';
     public const AP_SOUTH_2 = 'ap-south-2';
@@ -62,6 +63,7 @@ public static function exists(string $value): bool
             self::AP_SOUTHEAST_3 => true,
             self::AP_SOUTHEAST_4 => true,
             self::AP_SOUTHEAST_5 => true,
+            self::AP_SOUTHEAST_6 => true,
             self::AP_SOUTHEAST_7 => true,
             self::AP_SOUTH_1 => true,
             self::AP_SOUTH_2 => true,