diff --git a/debian/copyright b/debian/copyright
index d632c5e57..e6cc2ad4d 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -67,11 +67,13 @@ License: BSD-2-clause
 
 Files: Utilities/cmlibarchive/libarchive/archive_read_support_filter_compress.c
   Utilities/cmlibarchive/libarchive/archive_write_add_filter_compress.c
-Copyright: TODO
+Copyright: 2003-2007 Tim Kientzle
+  1985-1986 1992-1993 The Regents of the University of California
+  2008 Joerg Sonnenberger
 License: BSD-3-clause
 
 Files: Utilities/cmcurl/*
-Copyright: TODO
+Copyright: 1998-2007 Daniel Stenberg <daniel@haxx.se>
 License: ISC
 
 Files: Utilities/cmcompress/*