diff --git a/exwm-cm.el b/exwm-cm.el
index 9228477..8a45010 100644
--- a/exwm-cm.el
+++ b/exwm-cm.el
@@ -1,6 +1,6 @@
 ;;; exwm-cm.el --- Compositing Manager for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2016-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-config.el b/exwm-config.el
index bb8258a..9609f4c 100644
--- a/exwm-config.el
+++ b/exwm-config.el
@@ -1,6 +1,6 @@
 ;;; exwm-config.el --- Predefined configurations  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-core.el b/exwm-core.el
index 7645489..5356ef9 100644
--- a/exwm-core.el
+++ b/exwm-core.el
@@ -1,6 +1,6 @@
 ;;; exwm-core.el --- Core definitions  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-floating.el b/exwm-floating.el
index d1882cf..a9f9315 100644
--- a/exwm-floating.el
+++ b/exwm-floating.el
@@ -1,6 +1,6 @@
 ;;; exwm-floating.el --- Floating Module for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-input.el b/exwm-input.el
index decfc81..c27ee1b 100644
--- a/exwm-input.el
+++ b/exwm-input.el
@@ -1,6 +1,6 @@
 ;;; exwm-input.el --- Input Module for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-layout.el b/exwm-layout.el
index 79d0c95..6a63be3 100644
--- a/exwm-layout.el
+++ b/exwm-layout.el
@@ -1,6 +1,6 @@
 ;;; exwm-layout.el --- Layout Module for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-manage.el b/exwm-manage.el
index a7866f1..c3d47f7 100644
--- a/exwm-manage.el
+++ b/exwm-manage.el
@@ -1,7 +1,7 @@
 ;;; exwm-manage.el --- Window Management Module for  -*- lexical-binding: t -*-
 ;;;                    EXWM
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-randr.el b/exwm-randr.el
index 7acceb1..68bfdd7 100644
--- a/exwm-randr.el
+++ b/exwm-randr.el
@@ -1,6 +1,6 @@
 ;;; exwm-randr.el --- RandR Module for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-systemtray.el b/exwm-systemtray.el
index 20dc522..43b3e1e 100644
--- a/exwm-systemtray.el
+++ b/exwm-systemtray.el
@@ -1,7 +1,7 @@
 ;;; exwm-systemtray.el --- System Tray Module for  -*- lexical-binding: t -*-
 ;;;                        EXWM
 
-;; Copyright (C) 2016-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-workspace.el b/exwm-workspace.el
index cff17f3..6fa7e9d 100644
--- a/exwm-workspace.el
+++ b/exwm-workspace.el
@@ -1,6 +1,6 @@
 ;;; exwm-workspace.el --- Workspace Module for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 1015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm-xim.el b/exwm-xim.el
index acf718e..4bc084a 100644
--- a/exwm-xim.el
+++ b/exwm-xim.el
@@ -1,6 +1,6 @@
 ;;; exwm-xim.el --- XIM Module for EXWM  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2019-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 
diff --git a/exwm.el b/exwm.el
index 1e6122e..9091d30 100644
--- a/exwm.el
+++ b/exwm.el
@@ -1,6 +1,6 @@
 ;;; exwm.el --- Emacs X Window Manager  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2015-2020 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 ;; Author: Chris Feng <chris.w.feng@gmail.com>
 ;; Maintainer: Adrián Medraño Calvo <adrian@medranocalvo.com>