diff --git a/sim/src/caps.rs b/sim/src/caps.rs
index 441494d..a0d08b7 100644
--- a/sim/src/caps.rs
+++ b/sim/src/caps.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2017-2019 Linaro LTD
+// Copyright (c) 2017-2021 Linaro LTD
 // Copyright (c) 2019 JUUL Labs
 // Copyright (c) 2019-2021 Arm Limited
 //
diff --git a/sim/src/depends.rs b/sim/src/depends.rs
index a67bcd8..229b3e2 100644
--- a/sim/src/depends.rs
+++ b/sim/src/depends.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Linaro LTD
+// Copyright (c) 2019-2021 Linaro LTD
 //
 // SPDX-License-Identifier: Apache-2.0
 
diff --git a/sim/src/image.rs b/sim/src/image.rs
index 4ee9ddd..44f628b 100644
--- a/sim/src/image.rs
+++ b/sim/src/image.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Linaro LTD
+// Copyright (c) 2019-2021 Linaro LTD
 // Copyright (c) 2019-2020 JUUL Labs
 // Copyright (c) 2019-2021 Arm Limited
 //
diff --git a/sim/src/tlv.rs b/sim/src/tlv.rs
index 577f38f..9a97785 100644
--- a/sim/src/tlv.rs
+++ b/sim/src/tlv.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2017-2020 Linaro LTD
+// Copyright (c) 2017-2021 Linaro LTD
 // Copyright (c) 2017-2020 JUUL Labs
 // Copyright (c) 2021 Arm Limited
 //