diff --git a/util/copyrights b/util/copyrights
index dfb08a94f6..16f110b609 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -7,6 +7,7 @@
 ./NSEC3-NOTES					X	2008,2009
 ./README					X	1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009
 ./README.idnkit					X	2005,2009
+./README.libdns					X	2009
 ./README.pkcs11					X	2008
 ./README.rfc5011				X	2009
 ./acconfig.h					C	1999,2000,2001,2002,2003,2004,2005,2007,2008