diff --git a/README.md b/README.md
index ab8d2bd2..62afce3d 100644
--- a/README.md
+++ b/README.md
@@ -84,3 +84,5 @@ This Project is based upon the following work:
 [PXSourceList](https://github.com/Perspx/PXSourceList) Copyright 2011, Alex Rozanski. All rights reserved.
 
 [CocoaHTTPServer](https://github.com/robbiehanson/CocoaHTTPServer ) Copyright 2011, Deusty, LLC. All rights reserved.
+
+[KSPasswordField](https://github.com/karelia/SecurityInterface) Copyright 2012 Mike Abdullah, Karelia Software. All rights reserved.