diff --git a/util/copyrights b/util/copyrights
index 2aac7057c3..3014d9ba8c 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -3573,7 +3573,7 @@
 ./lib/isc/include/isc/interfaceiter.h		C	1999,2000,2001,2004,2005,2006,2007
 ./lib/isc/include/isc/ipv6.h			C	1999,2000,2001,2002,2004,2005,2007
 ./lib/isc/include/isc/iterated_hash.h		C	2008,2014
-./lib/isc/include/isc/json.h			C	2013
+./lib/isc/include/isc/json.h			C	2013,2015
 ./lib/isc/include/isc/lang.h			C	1999,2000,2001,2004,2005,2006,2007
 ./lib/isc/include/isc/lex.h			C	1998,1999,2000,2001,2002,2004,2005,2007,2008
 ./lib/isc/include/isc/lfsr.h			C	1999,2000,2001,2004,2005,2006,2007