diff --git a/util/copyrights b/util/copyrights
index bdaf38719d..d7131a07c5 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -3880,7 +3880,7 @@
 ./lib/isc/tests/counter_test.c			C	2014
 ./lib/isc/tests/errno_test.c			C	2016
 ./lib/isc/tests/hash_test.c			C	2011,2012,2013,2014,2015,2016
-./lib/isc/tests/isctest.c			C	2011,2012,2013,2014
+./lib/isc/tests/isctest.c			C	2011,2012,2013,2014,2017
 ./lib/isc/tests/isctest.h			C	2011,2012
 ./lib/isc/tests/lex_test.c			C	2013
 ./lib/isc/tests/mem_test.c			C	2015