diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 3f9304c711..6ecd672706 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -517,9 +517,11 @@ if ( ! function_exists( 'wp_mail' ) ) :
 		}
 
 		if ( ! empty( $attachments ) ) {
-			foreach ( $attachments as $attachment ) {
+			foreach ( $attachments as $filename => $attachment ) {
+				$filename = is_string( $filename ) ? $filename : '';
+
 				try {
-					$phpmailer->addAttachment( $attachment );
+					$phpmailer->addAttachment( $attachment, $filename );
 				} catch ( PHPMailer\PHPMailer\Exception $e ) {
 					continue;
 				}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b3dd239c85..bb6c9152fd 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-55029';
+$wp_version = '6.2-alpha-55030';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.