diff --git a/debian/copyright_hints b/debian/copyright_hints
index 9e0b893..5d799b0 100644
--- a/debian/copyright_hints
+++ b/debian/copyright_hints
@@ -26,6 +26,8 @@
  src/filter/aech0r/CMakeLists.txt
  src/filter/alpha0ps/CMakeLists.txt
  src/filter/alpha0ps/fibe_f.h
+ src/filter/autothresh0ld/CMakeLists.txt
+ src/filter/autothresh0ld/variance.h
  src/filter/balanc0r/CMakeLists.txt
  src/filter/baltan/CMakeLists.txt
  src/filter/bgsubtract0r/CMakeLists.txt
@@ -440,6 +442,11 @@
 License: GPL-2+
  FIXME
 
+Files: src/filter/autothresh0ld/autothresh0ld.c
+Copyright: 2025, Cynthia <cynthia2048@proton.me>
+License: GPL-2+
+ FIXME
+
 Files: src/filter/premultiply/premultiply.cpp
 Copyright: 2018, Dan Dennedy <dan@dennedy.org>
 License: GPL-2+
@@ -570,17 +577,17 @@
 License: LGPL-2.1+
  FIXME
 
+Files: src/filter/water/water.cpp
+Copyright: 2000-2025, Denis Roio <jaromil@dyne.org>
+License: UNKNOWN
+ FIXME
+
 Files: src/generator/partik0l/partik0l.cpp
 Copyright: 2003, ragnar (waves 1.2)
   2004-2007, Denis Roio aka jaromil <jaromil@dyne.org>
 License: UNKNOWN
  FIXME
 
-Files: src/filter/water/water.cpp
-Copyright: 2000-2007, Denis Rojo <jaromil@dyne.org>
-License: UNKNOWN
- FIXME
-
 Files: src/filter/cartoon/cartoon.cpp
 Copyright: 2003, Dries Pruimboom <dries@irssystems.nl>
 License: UNKNOWN