diff -pruN 1.6.0-2/debian/changelog 1.6.0-3/debian/changelog
--- 1.6.0-2/debian/changelog	2025-08-10 12:29:58.000000000 +0000
+++ 1.6.0-3/debian/changelog	2025-10-14 04:52:50.000000000 +0000
@@ -1,3 +1,10 @@
+java-websocket (1.6.0-3) unstable; urgency=medium
+
+  * debian/copyright: mention PD status of
+    src/main/java/org/java_websocket/util/Base64.java
+
+ -- Rene Engelhard <rene@debian.org>  Tue, 14 Oct 2025 06:52:50 +0200
+
 java-websocket (1.6.0-2) unstable; urgency=medium
 
   * upload to unstable 
diff -pruN 1.6.0-2/debian/copyright 1.6.0-3/debian/copyright
--- 1.6.0-2/debian/copyright	2025-07-07 19:28:39.000000000 +0000
+++ 1.6.0-3/debian/copyright	2025-10-14 04:52:50.000000000 +0000
@@ -6,13 +6,18 @@ Files: *
 Copyright: 2010-2020, Nathan Rajlich <nathan@tootallnate.net>
 License: MIT
 
+# see  src/main/java/org/java_websocket/util/Base64.java, lines 160 ff.
+Files: src/main/java/org/java_websocket/util/Base64.java
+Copyright: Robert Harder <rob@iharder.net>
+License: public-domain
+
 Files: debian/*
 Copyright: 2025, Rene Engelhard <rene@debian.org>
 License: MIT
 
 License: MIT
  Copyright (c) 2010-2020 Nathan Rajlich
-
+ .
  Permission is hereby granted, free of charge, to any person
  obtaining a copy of this software and associated documentation
  files (the "Software"), to deal in the Software without
@@ -21,10 +26,10 @@ License: MIT
  copies of the Software, and to permit persons to whom the
  Software is furnished to do so, subject to the following
  conditions:
-
+ .
  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.
-
+ .
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND