diff --git a/DnsMock.php b/DnsMock.php
index c558cd0..272354b 100644
--- a/DnsMock.php
+++ b/DnsMock.php
@@ -30,6 +30,7 @@ class DnsMock
         'NAPTR' => \DNS_NAPTR,
         'TXT' => \DNS_TXT,
         'HINFO' => \DNS_HINFO,
+        'CAA' => \DNS_CAA,
     ];
 
     /**