diff --git a/lib/Cake/Network/CakeResponse.php b/lib/Cake/Network/CakeResponse.php
index e8b14fb8a..3ed93bcbd 100644
--- a/lib/Cake/Network/CakeResponse.php
+++ b/lib/Cake/Network/CakeResponse.php
@@ -299,6 +299,7 @@ class CakeResponse {
 		'vcf' => 'text/x-vcard',
 		'vtt' => 'text/vtt',
 		'mkv' => 'video/x-matroska',
+		'pkpass' => 'application/vnd.apple.pkpass'
 	);
 
 /**