diff --git a/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php b/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php
index 758dc3bd355c1..834e645b6d912 100644
--- a/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php
+++ b/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php
@@ -65,11 +65,16 @@ public function create(Dsn $dsn): TransportInterface
                 case 'ses':
                 case 'ses+https':
                     $class = $class ?? SesHttpAsyncAwsTransport::class;
+
+                    $sessionToken = $dsn->getOption('sessionToken');
+
                     $options = [
                         'region' => $dsn->getOption('region') ?: 'eu-west-1',
                         'accessKeyId' => $dsn->getUser(),
                         'accessKeySecret' => $dsn->getPassword(),
                     ] + (
+                        $sessionToken ? ['sessionToken' => $sessionToken] : []
+                    ) + (
                         'default' === $dsn->getHost() ? [] : ['endpoint' => 'https://'.$dsn->getHost().($dsn->getPort() ? ':'.$dsn->getPort() : '')]
                     );
 
diff --git a/src/Symfony/Component/Mailer/CHANGELOG.md b/src/Symfony/Component/Mailer/CHANGELOG.md
index 2d0f1faddbf1a..cf0b1e7d1bffd 100644
--- a/src/Symfony/Component/Mailer/CHANGELOG.md
+++ b/src/Symfony/Component/Mailer/CHANGELOG.md
@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * added the `mailer` monolog channel and set it on all transport definitions
+ * Add support for `SESSION_TOKEN` for Async AWS Mailer transport
 
 5.2.0
 -----