diff --git a/util/copyrights b/util/copyrights
index d6eb01581c..23e6924d7c 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -104,7 +104,7 @@
 ./bin/dnssec/.gitignore				X	2012,2013,2017
 ./bin/dnssec/Makefile.in			MAKE	2000,2001,2002,2004,2005,2007,2008,2009,2012,2013,2014,2015,2016,2017
 ./bin/dnssec/dnssec-cds.8			MAN	DOCBOOK
-./bin/dnssec/dnssec-cds.c			C	2017
+./bin/dnssec/dnssec-cds.c			C	2017,2018
 ./bin/dnssec/dnssec-cds.docbook			SGML	2017,2018
 ./bin/dnssec/dnssec-cds.html			HTML	DOCBOOK
 ./bin/dnssec/dnssec-dsfromkey.8			MAN	DOCBOOK