diff --git a/lisp/emacs-lisp/igc.el b/lisp/emacs-lisp/igc.el
index e79add81398..86216d840ce 100644
--- a/lisp/emacs-lisp/igc.el
+++ b/lisp/emacs-lisp/igc.el
@@ -1,7 +1,7 @@
 ;; -*- lexical-binding: t; symbol-packagaes: nil -*-
 ;;; memory-report.el --- Short function summaries  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2024 Free Software Foundation, Inc.
+;; Copyright (C) 2024-2025 Free Software Foundation, Inc.
 
 ;; Keywords: lisp, help
 
diff --git a/src/igc.c b/src/igc.c
index 172c7a95017..65267daca80 100644
--- a/src/igc.c
+++ b/src/igc.c
@@ -1,5 +1,5 @@
 /* Incremental and generational GC using MPS.
-   Copyright (C) 2024 Free Software Foundation, Inc.
+   Copyright (C) 2024-2025 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/igc.h b/src/igc.h
index b0ff0487325..f69e72638dc 100644
--- a/src/igc.h
+++ b/src/igc.h
@@ -1,6 +1,6 @@
 /* Fundamental definitions for GNU Emacs Lisp interpreter. -*- coding: utf-8 -*-
 
-Copyright (C) 2024 Free Software Foundation, Inc.
+Copyright (C) 2024-2025 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.