diff --git a/Makefile b/Makefile
index 858fdb7907000ddda467785e4b49f03534066ea6..de0a2b6dc7d893dbb2a02d3df5aa6740573f61f4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .DEFAULT_GOAL = all
 
 #########################################################################
-# Copyright © 2018   Thomas Bellman, Linköping, Sweden
+# Copyright © 2018-2019   Thomas Bellman, Linköping, Sweden
 # Licensed under the GNU LGPL v3+; see the README file for more information.
 
 
diff --git a/README b/README
index c06129bcce273ad92f0bf05a6b8caa1014c6a9b4..8beb5c2f60dd2bf9ada344f5e4527d370d54e3ab 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 		-*- mode: text; fill-column: 70; -*-
 
 This is a collection of Nagios plugins.
-Copyright © 2018 Thomas Bellman, and any other authors.
+Copyright © 2018-2019 Thomas Bellman, and any other authors.
 
 
 ===== LICENSING =====
diff --git a/check_ping_multiaddr.py b/check_ping_multiaddr.py
index dee53a7c99319fd2065a23436d4514ac5ed1ca77..44564751f3d9579da015f75d9277a3da9a9404e1 100755
--- a/check_ping_multiaddr.py
+++ b/check_ping_multiaddr.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python2
 # -*- coding: utf-8; indent-tabs-mode: nil -*-
 
-# Copyright © 2018   Thomas Bellman, Linköping, Sweden
+# Copyright © 2019   Thomas Bellman, Linköping, Sweden
 # Licensed under the GNU LGPL v3+; see the README file for more information.