diff --git a/COPYRIGHT b/COPYRIGHT
index c7ea3d39c5c..abe89980308 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -6,7 +6,7 @@ terms.
 
 Longer version:
 
-The Rust Project is copyright 2016, The Rust Project
+The Rust Project is copyright 2010, The Rust Project
 Developers.
 
 Licensed under the Apache License, Version 2.0
diff --git a/LICENSE-MIT b/LICENSE-MIT
index 40b8817a47b..25597d5838f 100644
--- a/LICENSE-MIT
+++ b/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2016 The Rust Project Developers
+Copyright (c) 2010 The Rust Project Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated