diff --git a/src/error.rs b/src/error.rs
index 912ad025..562e656a 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+// Copyright (c) 2017-2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 //
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/src/lib.rs b/src/lib.rs
index b7afeac6..5fde6358 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,7 +15,7 @@
 //! [`TryFrom<Element>`]: ../try_from/trait.TryFrom.html
 //! [`Element`]: ../minidom/element/struct.Element.html
 
-// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+// Copyright (c) 2017-2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 // Copyright (c) 2017 Maxime “pep” Buquet <pep+code@bouah.net>
 //
 // This Source Code Form is subject to the terms of the Mozilla Public
diff --git a/src/macros.rs b/src/macros.rs
index 24041cb0..3eded458 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+// Copyright (c) 2017-2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 //
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/src/ns.rs b/src/ns.rs
index b09c9d7e..9f905e60 100644
--- a/src/ns.rs
+++ b/src/ns.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+// Copyright (c) 2017-2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 // Copyright (c) 2017 Maxime “pep” Buquet <pep+code@bouah.net>
 //
 // This Source Code Form is subject to the terms of the Mozilla Public