diff --git a/AUTHORS b/AUTHORS
index cc293bc..94e95ed 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,7 +1,7 @@
 Authors of GNU C Intro and Reference
 
-Copyright (C) 2022, 2023 Free Software Foundation, Inc.
-Copyright (C) 2022, 2023 Richard Stallman
+Copyright (C) 2022, 2023, 2025 Free Software Foundation, Inc.
+Copyright (C) 2022, 2023, 2025 Richard Stallman
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/ChangeLog b/ChangeLog
index 7aae7ca..09a3f12 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -102,8 +102,8 @@
 
 -----
 
-Copyright (C) 2022, 2023 Free Software Foundation, Inc.
-Copyright (C) 2022, 2023 Richard Stallman
+Copyright (C) 2022, 2023, 2025 Free Software Foundation, Inc.
+Copyright (C) 2022, 2023, 2025 Richard Stallman
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/NEWS b/NEWS
index 904e165..8b4d5a7 100644
--- a/NEWS
+++ b/NEWS
@@ -6,8 +6,8 @@ GNU C Intro and Reference 0.0 (2023-10-09)
 
 -----
 
-Copyright (C) 2022, 2023 Free Software Foundation, Inc.
-Copyright (C) 2022, 2023 Richard Stallman
+Copyright (C) 2022, 2023, 2025 Free Software Foundation, Inc.
+Copyright (C) 2022, 2023, 2025 Richard Stallman
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/README b/README
index 946f892..036d489 100644
--- a/README
+++ b/README
@@ -3,8 +3,8 @@ number, see NEWS.
 
 Please send bug reports and suggestions to <c-manual@gnu.org>.
 
-Copyright (C) 2022, 2023 Free Software Foundation, Inc.
-Copyright (C) 2022, 2023 Richard Stallman
+Copyright (C) 2022, 2023, 2025 Free Software Foundation, Inc.
+Copyright (C) 2022, 2023, 2025 Richard Stallman
 
 Permission is granted to copy, distribute and/or modify this manual
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/c.texi b/c.texi
index 6531816..012fe04 100644
--- a/c.texi
+++ b/c.texi
@@ -1,7 +1,8 @@
 \input texinfo
 
 
-@c Copyright (C) 2022, 2023 Richard Stallman and Free Software Foundation, Inc.
+@c Copyright (C) 2022, 2023, 2025 Richard Stallman
+@c   and Free Software Foundation, Inc.
 
 @c (The work of Trevis Rothwell and Nelson Beebe has been assigned to the FSF.)
 
@@ -22,7 +23,8 @@
 @copying
 This is Edition @value{VERSION}.
 
-Copyright @copyright{} 2022, 2023 Richard Stallman and Free Software Foundation, Inc.
+Copyright @copyright{} 2022, 2023, 2025 Richard Stallman
+and Free Software Foundation, Inc.
 
 (The work of Trevis Rothwell and Nelson Beebe has been assigned to the FSF.)
 
diff --git a/cpp.texi b/cpp.texi
index 56b0c51..7f5fc08 100644
--- a/cpp.texi
+++ b/cpp.texi
@@ -1,5 +1,5 @@
-
-@c Copyright @copyright{} 2022 Richard Stallman and Free Software Foundation, Inc.
+@c Copyright (C) 2022, 2023, 2025 Richard Stallman
+@c   and Free Software Foundation, Inc.
 
 This is part of the GNU C Intro and Reference Manual
 and covered by its license.
diff --git a/fp.texi b/fp.texi
index f32dfd3..ce296a5 100644
--- a/fp.texi
+++ b/fp.texi
@@ -1,5 +1,6 @@
 
-@c Copyright @copyright{} 2022 Richard Stallman and Free Software Foundation, Inc.
+@c Copyright @copyright{} 2022, 2023, 2025 Richard Stallman
+@c   and Free Software Foundation, Inc.
 
 This is part of the GNU C Intro and Reference Manual
 and covered by its license.