diff --git a/test_suite/deps/src/lib.rs b/test_suite/deps/src/lib.rs
index e63ee9d4..78f6f4d1 100644
--- a/test_suite/deps/src/lib.rs
+++ b/test_suite/deps/src/lib.rs
@@ -1,3 +1,11 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 #![feature(/*=============================================]
 #![===  Serde test suite requires a nightly compiler.  ===]
 #![====================================================*/)]
diff --git a/test_suite/no_std/src/main.rs b/test_suite/no_std/src/main.rs
index a95b62ee..bcd5c480 100644
--- a/test_suite/no_std/src/main.rs
+++ b/test_suite/no_std/src/main.rs
@@ -1,3 +1,11 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 #![feature(lang_items, start, compiler_builtins_lib)]
 #![no_std]
 
diff --git a/test_suite/tests/test_roundtrip.rs b/test_suite/tests/test_roundtrip.rs
index 35f2870b..0e417341 100644
--- a/test_suite/tests/test_roundtrip.rs
+++ b/test_suite/tests/test_roundtrip.rs
@@ -1,3 +1,11 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 extern crate serde_test;
 use self::serde_test::{Token, assert_tokens_readable};