diff --git a/util/copyrights b/util/copyrights
index 2ea1f4a029..6dae8431ca 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -207,11 +207,11 @@
 ./bin/named/tsigconf.c				C	1999,2000,2001,2004,2005,2006,2007,2009
 ./bin/named/unix/.cvsignore			X	1999,2000,2001
 ./bin/named/unix/Makefile.in			MAKE	1999,2000,2001,2004,2007
-./bin/named/unix/include/named/os.h		C	1999,2000,2001,2002,2004,2005,2007,2008
+./bin/named/unix/include/named/os.h		C	1999,2000,2001,2002,2004,2005,2007,2008,2009
 ./bin/named/unix/os.c				C	1999,2000,2001,2002,2004,2005,2006,2007,2008,2009
 ./bin/named/update.c				C	1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009
 ./bin/named/win32/include/named/ntservice.h	C	1999,2000,2001,2002,2003,2004,2007
-./bin/named/win32/include/named/os.h		C	1999,2000,2001,2002,2004,2007,2008
+./bin/named/win32/include/named/os.h		C	1999,2000,2001,2002,2004,2007,2008,2009
 ./bin/named/win32/named.dsp			X	2001,2004,2005,2008,2009
 ./bin/named/win32/named.dsw			X	2001
 ./bin/named/win32/named.mak			X	2001,2002,2004,2005,2006,2008,2009