diff --git a/util/copyrights b/util/copyrights
index 373145df7e..8e701161ac 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -2806,7 +2806,7 @@
 ./lib/isc/include/isc/sockaddr.h		C	1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2009,2012
 ./lib/isc/include/isc/socket.h			C	1998,1999,2000,2001,2002,2004,2005,2006,2007,2008,2009,2011,2012
 ./lib/isc/include/isc/stats.h			C	2009,2012
-./lib/isc/include/isc/stdio.h			C	2000,2001,2004,2005,2006,2007
+./lib/isc/include/isc/stdio.h			C	2000,2001,2004,2005,2006,2007,2013
 ./lib/isc/include/isc/stdlib.h			C	2003,2004,2005,2006,2007
 ./lib/isc/include/isc/string.h			C	2000,2001,2003,2004,2005,2006,2007
 ./lib/isc/include/isc/symtab.h			C	1996,1997,1998,1999,2000,2001,2004,2005,2006,2007,2009,2011,2012
@@ -2947,7 +2947,7 @@
 ./lib/isc/unix/resource.c			C	2000,2001,2004,2007,2008,2009
 ./lib/isc/unix/socket.c				C	1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013
 ./lib/isc/unix/socket_p.h			C	2000,2001,2004,2005,2007,2008,2009
-./lib/isc/unix/stdio.c				C	2000,2001,2004,2007,2011,2012
+./lib/isc/unix/stdio.c				C	2000,2001,2004,2007,2011,2012,2013
 ./lib/isc/unix/stdtime.c			C	1999,2000,2001,2004,2005,2007
 ./lib/isc/unix/strerror.c			C	2001,2004,2005,2007,2009
 ./lib/isc/unix/syslog.c				C	2001,2004,2005,2007