diff --git a/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/datastore_admin.proto b/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/datastore_admin.proto
index 79ca3df68..a8b3f9986 100644
--- a/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/datastore_admin.proto
+++ b/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/datastore_admin.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/index.proto b/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/index.proto
index 60bb5af5f..6a1d12227 100644
--- a/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/index.proto
+++ b/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/index.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/migration.proto b/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/migration.proto
index e5f7477da..813de87dd 100644
--- a/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/migration.proto
+++ b/proto-google-cloud-datastore-admin-v1/src/main/proto/google/datastore/admin/v1/migration.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/aggregation_result.proto b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/aggregation_result.proto
index 91c521716..262b61fa4 100644
--- a/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/aggregation_result.proto
+++ b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/aggregation_result.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/datastore.proto b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/datastore.proto
index 1a3fbdd11..fbbabb0a3 100644
--- a/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/datastore.proto
+++ b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/datastore.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/entity.proto b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/entity.proto
index d80dd9093..ef4429343 100644
--- a/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/entity.proto
+++ b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/entity.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query.proto b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query.proto
index d1f0f8d07..81386d47b 100644
--- a/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query.proto
+++ b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 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/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query_profile.proto b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query_profile.proto
index 01c9fc254..f38681c66 100644
--- a/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query_profile.proto
+++ b/proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/query_profile.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.