diff --git a/src/ctap/apdu.rs b/src/ctap/apdu.rs
index c99bf84..f475308 100644
--- a/src/ctap/apdu.rs
+++ b/src/ctap/apdu.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright 2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/command.rs b/src/ctap/command.rs
index 6b6ab54..dcb96d6 100644
--- a/src/ctap/command.rs
+++ b/src/ctap/command.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/config_command.rs b/src/ctap/config_command.rs
index f270513..57e2a97 100644
--- a/src/ctap/config_command.rs
+++ b/src/ctap/config_command.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright 2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/ctap1.rs b/src/ctap/ctap1.rs
index 0932e2c..0bf43b5 100644
--- a/src/ctap/ctap1.rs
+++ b/src/ctap/ctap1.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/data_formats.rs b/src/ctap/data_formats.rs
index 9cf149f..05b8374 100644
--- a/src/ctap/data_formats.rs
+++ b/src/ctap/data_formats.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/hid/mod.rs b/src/ctap/hid/mod.rs
index 01c0b11..71bd7c8 100644
--- a/src/ctap/hid/mod.rs
+++ b/src/ctap/hid/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/hid/receive.rs b/src/ctap/hid/receive.rs
index b522837..8efdb1c 100644
--- a/src/ctap/hid/receive.rs
+++ b/src/ctap/hid/receive.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/hid/send.rs b/src/ctap/hid/send.rs
index 434d633..22f9c61 100644
--- a/src/ctap/hid/send.rs
+++ b/src/ctap/hid/send.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/key_material.rs b/src/ctap/key_material.rs
index eec5456..a8ae6da 100644
--- a/src/ctap/key_material.rs
+++ b/src/ctap/key_material.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/mod.rs b/src/ctap/mod.rs
index 7b5b2de..98ed569 100644
--- a/src/ctap/mod.rs
+++ b/src/ctap/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/pin_protocol_v1.rs b/src/ctap/pin_protocol_v1.rs
index d4f148d..e2a84eb 100644
--- a/src/ctap/pin_protocol_v1.rs
+++ b/src/ctap/pin_protocol_v1.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright 2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/response.rs b/src/ctap/response.rs
index df38148..b4d4ed4 100644
--- a/src/ctap/response.rs
+++ b/src/ctap/response.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/status_code.rs b/src/ctap/status_code.rs
index 5a9ec71..a593dad 100644
--- a/src/ctap/status_code.rs
+++ b/src/ctap/status_code.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/storage.rs b/src/ctap/storage.rs
index 0c6d15f..0bc9c5f 100644
--- a/src/ctap/storage.rs
+++ b/src/ctap/storage.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ctap/timed_permission.rs b/src/ctap/timed_permission.rs
index fcc0ada..868e9da 100644
--- a/src/ctap/timed_permission.rs
+++ b/src/ctap/timed_permission.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2 (the "License");
 // you may not use this file except in compliance with the License.