diff --git a/AUTHORS.md b/AUTHORS.md
index d9bb113f5aae8359816c637c2bb8f6fc0a15a8a8..112940e05bf6174f1cb3858b1e10e787b9539af7 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -245,3 +245,6 @@ documentation and additional help.
 
 * Matthew Newton <matthew.newton@networkradius.com>
   EpochDays attributes as human readable    
+
+* Cass Rebbelin <Rebbelin@hisolutions.com>
+  PNG traversal path vulnerability