diff --git a/Makefile b/Makefile
index 316b7bac..165d577f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # Makefile for Dash.
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/NEWS.md b/NEWS.md
index 3502e333..b3127212 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,6 @@
 # Dash NEWS -- history of user-visible changes
 
-Copyright (C) 2012-2023 Free Software Foundation, Inc.
+Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 See the end of the file for license conditions.
 
diff --git a/README.md b/README.md
index 09c76bdb..9f457b53 100644
--- a/README.md
+++ b/README.md
@@ -3348,7 +3348,7 @@ New contributors are very welcome.  See the
 
 ## License
 
-Copyright (C) 2012-2023 Free Software Foundation, Inc.
+Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 Author: Magnar Sveen <magnars@gmail.com>
 
diff --git a/dash-template.texi b/dash-template.texi
index 906aeb58..0037e924 100644
--- a/dash-template.texi
+++ b/dash-template.texi
@@ -10,7 +10,7 @@
 @copying
 This manual is for Dash version @value{DASHVER}.
 
-Copyright @copyright{} 2012--2023 Free Software Foundation, Inc.
+Copyright @copyright{} 2012--2024 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/dash.el b/dash.el
index d9007175..e2d4298c 100644
--- a/dash.el
+++ b/dash.el
@@ -1,6 +1,6 @@
 ;;; dash.el --- A modern list library for Emacs  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 ;; Author: Magnar Sveen <magnars@gmail.com>
 ;; Version: 2.19.1
diff --git a/dash.texi b/dash.texi
index 32f5e03b..6f512b0c 100644
--- a/dash.texi
+++ b/dash.texi
@@ -10,7 +10,7 @@
 @copying
 This manual is for Dash version @value{DASHVER}.
 
-Copyright @copyright{} 2012--2023 Free Software Foundation, Inc.
+Copyright @copyright{} 2012--2024 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/dev/dash-defs.el b/dev/dash-defs.el
index f458e06c..44795f9c 100644
--- a/dev/dash-defs.el
+++ b/dev/dash-defs.el
@@ -1,6 +1,6 @@
 ;;; dash-defs.el --- Definitions for Dash examples -*- lexical-binding: t -*-
 
-;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 ;; This program is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
diff --git a/dev/examples.el b/dev/examples.el
index 527e0f35..4006bad3 100644
--- a/dev/examples.el
+++ b/dev/examples.el
@@ -1,6 +1,6 @@
 ;;; examples.el --- Examples/tests for dash.el's API  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 ;; This program is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
diff --git a/readme-template.md b/readme-template.md
index c78e971b..3028d4bf 100644
--- a/readme-template.md
+++ b/readme-template.md
@@ -180,7 +180,7 @@ New contributors are very welcome.  See the
 
 ## License
 
-Copyright (C) 2012-2023 Free Software Foundation, Inc.
+Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 Author: Magnar Sveen <magnars@gmail.com>