diff --git a/util/copyrights b/util/copyrights
index 873417ef83..1bd954b2eb 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -2758,7 +2758,7 @@
 ./lib/isc/win32/syslog.c			C	2001,2002,2003,2004,2007
 ./lib/isc/win32/syslog.h			C	2001,2002,2004,2007
 ./lib/isc/win32/thread.c			C	1998,1999,2000,2001,2004,2005,2007
-./lib/isc/win32/time.c				C	1998,1999,2000,2001,2003,2004,2006,2007,2008,2009,2012
+./lib/isc/win32/time.c				C	1998,1999,2000,2001,2003,2004,2006,2007,2008,2009,2012,2013
 ./lib/isc/win32/unistd.h			C	2000,2001,2004,2007,2008,2009
 ./lib/isc/win32/version.c			C	1998,1999,2000,2001,2004,2007
 ./lib/isc/win32/win32os.c			C	2002,2004,2007,2013