diff --git a/util/copyrights b/util/copyrights
index c3458fdff9..0610e5a249 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -1765,6 +1765,7 @@
 ./bin/tests/system/nsupdate/ns1/max-ttl.db	ZONE	2014,2016
 ./bin/tests/system/nsupdate/ns1/named.conf	CONF-C	2000,2001,2004,2005,2007,2009,2011,2012,2013,2014,2016
 ./bin/tests/system/nsupdate/ns2/named.conf	CONF-C	2000,2001,2004,2007,2011,2013,2016
+./bin/tests/system/nsupdate/ns3/delegation.test.db.in	ZONE	2016
 ./bin/tests/system/nsupdate/ns3/dnskey.test.db.in	ZONE	2011,2016
 ./bin/tests/system/nsupdate/ns3/example.db.in	ZONE	2010,2016
 ./bin/tests/system/nsupdate/ns3/named.conf	CONF-C	2010,2011,2013,2014,2016