diff --git a/pkg/app/pipectl/cmd/initialize/ecs.go b/pkg/app/pipectl/cmd/initialize/ecs.go
index 6a570db9e9..d7e4c75076 100644
--- a/pkg/app/pipectl/cmd/initialize/ecs.go
+++ b/pkg/app/pipectl/cmd/initialize/ecs.go
@@ -1,4 +1,4 @@
-// Copyright 2023 The PipeCD Authors.
+// Copyright 2024 The PipeCD Authors.
 //
 // 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/pkg/app/pipectl/cmd/initialize/ecs_test.go b/pkg/app/pipectl/cmd/initialize/ecs_test.go
index 9e3c7fe5c4..c110928460 100644
--- a/pkg/app/pipectl/cmd/initialize/ecs_test.go
+++ b/pkg/app/pipectl/cmd/initialize/ecs_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 The PipeCD Authors.
+// Copyright 2024 The PipeCD Authors.
 //
 // 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/pkg/app/pipectl/cmd/initialize/initialize.go b/pkg/app/pipectl/cmd/initialize/initialize.go
index dbf236a0dd..02b4a70998 100644
--- a/pkg/app/pipectl/cmd/initialize/initialize.go
+++ b/pkg/app/pipectl/cmd/initialize/initialize.go
@@ -1,4 +1,4 @@
-// Copyright 2023 The PipeCD Authors.
+// Copyright 2024 The PipeCD Authors.
 //
 // 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/pkg/app/pipectl/prompt/prompt.go b/pkg/app/pipectl/prompt/prompt.go
index 22a06f1fe3..e6507626c8 100644
--- a/pkg/app/pipectl/prompt/prompt.go
+++ b/pkg/app/pipectl/prompt/prompt.go
@@ -1,4 +1,4 @@
-// Copyright 2023 The PipeCD Authors.
+// Copyright 2024 The PipeCD Authors.
 //
 // 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/pkg/app/pipectl/prompt/prompt_test.go b/pkg/app/pipectl/prompt/prompt_test.go
index 579c8f112b..10a03245c3 100644
--- a/pkg/app/pipectl/prompt/prompt_test.go
+++ b/pkg/app/pipectl/prompt/prompt_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 The PipeCD Authors.
+// Copyright 2024 The PipeCD Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.