diff --git a/cffi-dirent.asd b/cffi-dirent.asd
index dae7a00..89ed841 100644
--- a/cffi-dirent.asd
+++ b/cffi-dirent.asd
@@ -1,7 +1,7 @@
;;
;; cffi-dirent - Common Lisp wrapper for dirent.h
;;
-;; Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
+;; Copyright 2017,2018 Thomas de Grivel <thoxdg@gmail.com>
;;
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the above
diff --git a/cffi-dirent.lisp b/cffi-dirent.lisp
index 1f863a7..419833e 100644
--- a/cffi-dirent.lisp
+++ b/cffi-dirent.lisp
@@ -1,7 +1,7 @@
;;
;; cffi-dirent - Common Lisp wrapper for dirent.h
;;
-;; Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
+;; Copyright 2017,2018 Thomas de Grivel <thoxdg@gmail.com>
;;
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the above
diff --git a/grovel-dirent.lisp b/grovel-dirent.lisp
index 2c116ac..a6d7d72 100644
--- a/grovel-dirent.lisp
+++ b/grovel-dirent.lisp
@@ -1,7 +1,7 @@
;;
;; cffi-dirent - Common Lisp wrapper for dirent.h
;;
-;; Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
+;; Copyright 2017,2018 Thomas de Grivel <thoxdg@gmail.com>
;;
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the above
diff --git a/package.lisp b/package.lisp
index c47b394..65cc48a 100644
--- a/package.lisp
+++ b/package.lisp
@@ -1,7 +1,7 @@
;;
;; cffi-dirent - Common Lisp wrapper for dirent.h
;;
-;; Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
+;; Copyright 2017,2018 Thomas de Grivel <thoxdg@gmail.com>
;;
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the above