diff --git a/debian/copyright b/debian/copyright
index fc20aae..b0ac445 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -240,6 +240,18 @@
 Copyright: 2002, TANNENBAUM Edo
 License: GPL-2
 
+Files: src/filter/glitch0r/* src/filter/rgbsplit0r/*
+Copyright: 2016, IDENT Software ~ http:identsoft.org
+License: GPL-2
+
+Files: src/filter/ndvi/*
+Copyright: 2014, Brian Matherly <pez4brian@yahoo.com>
+License: LGPL-2.1+
+
+Files: src/filter/bgsubtract0r/*
+Copyright: 2013, Samuel Mimram
+License: GPL-2+
+
 Files: debian/*
 Copyright: 2008-2009 Christian Marillat <marillat@debian.org>
  2009-2010 Luca Bigliardi <shammash@artha.org>