diff --git a/LICENSE b/LICENSE
index ac61f6b..633a1f0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2015-2017, Julien Rouhaud
+Copyright (c) 2015-2018, Julien Rouhaud
 
 Permission to use, copy, modify, and distribute this software and its
 documentation for any purpose, without fee, and without a written agreement is
diff --git a/hypopg--1.1.0.sql b/hypopg--1.1.0.sql
index 5aa7f75..946ad5b 100644
--- a/hypopg--1.1.0.sql
+++ b/hypopg--1.1.0.sql
@@ -1,7 +1,7 @@
 -- This program is open source, licensed under the PostgreSQL License.
 -- For license terms, see the LICENSE file.
 --
--- Copyright (C) 2015-2017: Julien Rouhaud
+-- Copyright (C) 2015-2018: Julien Rouhaud
 
 -- complain if script is sourced in psql, rather than via CREATE EXTENSION
 \echo Use "CREATE EXTENSION hypopg" to load this file. \quit
diff --git a/hypopg.c b/hypopg.c
index 5b5c4a7..dce83fd 100644
--- a/hypopg.c
+++ b/hypopg.c
@@ -8,7 +8,7 @@
  * This program is open source, licensed under the PostgreSQL license.
  * For license terms, see the LICENSE file.
  *
- * Copyright (C) 2015-2017: Julien Rouhaud
+ * Copyright (C) 2015-2018: Julien Rouhaud
  *
  *-------------------------------------------------------------------------
  */
diff --git a/hypopg_import.c b/hypopg_import.c
index d1e14c3..8685803 100644
--- a/hypopg_import.c
+++ b/hypopg_import.c
@@ -5,7 +5,7 @@
  * This program is open source, licensed under the PostgreSQL license.
  * For license terms, see the LICENSE file.
  *
- * Copyright (c) 2008-2017, PostgreSQL Global Development Group
+ * Copyright (c) 2008-2018, PostgreSQL Global Development Group
  *
  *-------------------------------------------------------------------------
  */
diff --git a/hypopg_import.h b/hypopg_import.h
index edbe882..3bece37 100644
--- a/hypopg_import.h
+++ b/hypopg_import.h
@@ -5,7 +5,7 @@
  * This program is open source, licensed under the PostgreSQL license.
  * For license terms, see the LICENSE file.
  *
- * Copyright (c) 2008-2017, PostgreSQL Global Development Group
+ * Copyright (c) 2008-2018, PostgreSQL Global Development Group
  *
  *-------------------------------------------------------------------------
  */