diff --git a/util/copyrights b/util/copyrights
index b2a1d7fad4..31c0b2e3e6 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -814,7 +814,7 @@
 ./bin/tests/system/autosign/prereq.sh		SH	2009,2010,2012,2014
 ./bin/tests/system/autosign/setup.sh		SH	2009,2010,2012,2014
 ./bin/tests/system/autosign/tests.sh		SH	2009,2010,2011,2012,2013,2014
-./bin/tests/system/builtin/Makefile.in		MAKE	2014
+./bin/tests/system/builtin/Makefile.in		MAKE	2014,2015
 ./bin/tests/system/builtin/clean.sh		SH	2014
 ./bin/tests/system/builtin/gethostname.c	C	2014,2015
 ./bin/tests/system/builtin/ns1/named.conf	CONF-C	2011