diff --git a/LICENSE b/LICENSE
index 20dcc41..0d9a49e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017 Isis Agora Lovecruft. All rights reserved.
+Copyright (c) 2017-2018 Isis Agora Lovecruft. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
diff --git a/src/ed25519.rs b/src/ed25519.rs
index 919ecb4..f1f0d0b 100644
--- a/src/ed25519.rs
+++ b/src/ed25519.rs
@@ -1,7 +1,7 @@
 // -*- mode: rust; -*-
 //
 // This file is part of ed25519-dalek.
-// Copyright (c) 2017 Isis Lovecruft
+// Copyright (c) 2017-2018 Isis Lovecruft
 // See LICENSE for licensing information.
 //
 // Authors:
diff --git a/src/lib.rs b/src/lib.rs
index b74999a..401c4ea 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,7 @@
 // -*- mode: rust; -*-
 //
 // This file is part of ed25519-dalek.
-// Copyright (c) 2017 Isis Lovecruft
+// Copyright (c) 2017-2018 Isis Lovecruft
 // See LICENSE for licensing information.
 //
 // Authors: