diff --git a/util/copyrights b/util/copyrights
index a181c9fd1f..2d0f3a34ea 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -2991,7 +2991,7 @@
 ./lib/dns/tests/name_test.c			C	2014
 ./lib/dns/tests/nsec3_test.c			C	2012,2014
 ./lib/dns/tests/private_test.c			C	2011,2012
-./lib/dns/tests/rdata_test.c			C	2012,2013
+./lib/dns/tests/rdata_test.c			C	2012,2013,2015
 ./lib/dns/tests/rdataset_test.c			C	2012
 ./lib/dns/tests/testdata/dbiterator/zone1.data	ZONE	2011,2012
 ./lib/dns/tests/testdata/dbiterator/zone2.data	X	2011