diff --git a/util/copyrights b/util/copyrights
index 7f1a4eba90..e805ee3cdc 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -1449,6 +1449,7 @@
 ./lib/isc/buffer.c				C	1998,1999,2000,2001
 ./lib/isc/bufferlist.c				C	1999,2000,2001
 ./lib/isc/commandline.c				C.PORTION	1999,2000,2001
+./lib/isc/entropy.c				C	2000,2001
 ./lib/isc/error.c				C	1998,1999,2000,2001
 ./lib/isc/event.c				C	1998,1999,2000,2001
 ./lib/isc/fsaccess.c				C	2000,2001
@@ -1615,6 +1616,7 @@
 ./lib/isc/win32/Makefile.in			MAKE	1999,2000,2001
 ./lib/isc/win32/condition.c			C	1998,1999,2000,2001
 ./lib/isc/win32/dir.c				C	1999,2000,2001
+./lib/isc/win32/entropy.c			C	2000,2001
 ./lib/isc/win32/file.c				C	2000,2001
 ./lib/isc/win32/fsaccess.c			C	2000,2001
 ./lib/isc/win32/include/.cvsignore		X	1999,2000,2001