diff --git a/google/cloud/alloydb/v1beta/csql_resources.proto b/google/cloud/alloydb/v1beta/csql_resources.proto
index 01de9ded43..220a3f9780 100644
--- a/google/cloud/alloydb/v1beta/csql_resources.proto
+++ b/google/cloud/alloydb/v1beta/csql_resources.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/alloydb/v1beta/data_model.proto b/google/cloud/alloydb/v1beta/data_model.proto
index a56f9540f7..fbbe75a363 100644
--- a/google/cloud/alloydb/v1beta/data_model.proto
+++ b/google/cloud/alloydb/v1beta/data_model.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/alloydb/v1beta/gemini.proto b/google/cloud/alloydb/v1beta/gemini.proto
index e720be6824..d0ba3ea3ce 100644
--- a/google/cloud/alloydb/v1beta/gemini.proto
+++ b/google/cloud/alloydb/v1beta/gemini.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/alloydb/v1beta/resources.proto b/google/cloud/alloydb/v1beta/resources.proto
index d45ea81d6d..13771c22bf 100644
--- a/google/cloud/alloydb/v1beta/resources.proto
+++ b/google/cloud/alloydb/v1beta/resources.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/alloydb/v1beta/service.proto b/google/cloud/alloydb/v1beta/service.proto
index 2252ba8a7a..ef0baee4f2 100644
--- a/google/cloud/alloydb/v1beta/service.proto
+++ b/google/cloud/alloydb/v1beta/service.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/bigquery/storage/v1beta1/arrow.proto b/google/cloud/bigquery/storage/v1beta1/arrow.proto
index b7decf20c4..378975cf07 100644
--- a/google/cloud/bigquery/storage/v1beta1/arrow.proto
+++ b/google/cloud/bigquery/storage/v1beta1/arrow.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/bigquery/storage/v1beta1/avro.proto b/google/cloud/bigquery/storage/v1beta1/avro.proto
index 96e268f2f2..ccb76f2db7 100644
--- a/google/cloud/bigquery/storage/v1beta1/avro.proto
+++ b/google/cloud/bigquery/storage/v1beta1/avro.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/bigquery/storage/v1beta1/read_options.proto b/google/cloud/bigquery/storage/v1beta1/read_options.proto
index 3f863e71c2..0fe7d2b304 100644
--- a/google/cloud/bigquery/storage/v1beta1/read_options.proto
+++ b/google/cloud/bigquery/storage/v1beta1/read_options.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/bigquery/storage/v1beta1/storage.proto b/google/cloud/bigquery/storage/v1beta1/storage.proto
index 67422bee64..5cd150e38d 100644
--- a/google/cloud/bigquery/storage/v1beta1/storage.proto
+++ b/google/cloud/bigquery/storage/v1beta1/storage.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/bigquery/storage/v1beta1/table_reference.proto b/google/cloud/bigquery/storage/v1beta1/table_reference.proto
index 1c194a8066..99cd5d099c 100644
--- a/google/cloud/bigquery/storage/v1beta1/table_reference.proto
+++ b/google/cloud/bigquery/storage/v1beta1/table_reference.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/dataqna/v1alpha/annotated_string.proto b/google/cloud/dataqna/v1alpha/annotated_string.proto
index d473c61082..19efa160af 100644
--- a/google/cloud/dataqna/v1alpha/annotated_string.proto
+++ b/google/cloud/dataqna/v1alpha/annotated_string.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/dataqna/v1alpha/auto_suggestion_service.proto b/google/cloud/dataqna/v1alpha/auto_suggestion_service.proto
index 550b1b2920..006ab343a5 100644
--- a/google/cloud/dataqna/v1alpha/auto_suggestion_service.proto
+++ b/google/cloud/dataqna/v1alpha/auto_suggestion_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/dataqna/v1alpha/question.proto b/google/cloud/dataqna/v1alpha/question.proto
index 5602e02f8b..55083031fa 100644
--- a/google/cloud/dataqna/v1alpha/question.proto
+++ b/google/cloud/dataqna/v1alpha/question.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/dataqna/v1alpha/question_service.proto b/google/cloud/dataqna/v1alpha/question_service.proto
index 22920b2b43..d92452d0c2 100644
--- a/google/cloud/dataqna/v1alpha/question_service.proto
+++ b/google/cloud/dataqna/v1alpha/question_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/dataqna/v1alpha/user_feedback.proto b/google/cloud/dataqna/v1alpha/user_feedback.proto
index fc59ee40ec..f74330d68e 100644
--- a/google/cloud/dataqna/v1alpha/user_feedback.proto
+++ b/google/cloud/dataqna/v1alpha/user_feedback.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/kms/v1/autokey.proto b/google/cloud/kms/v1/autokey.proto
index 1d9f235781..473ad53e24 100644
--- a/google/cloud/kms/v1/autokey.proto
+++ b/google/cloud/kms/v1/autokey.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/kms/v1/autokey_admin.proto b/google/cloud/kms/v1/autokey_admin.proto
index c31f7c929a..afdfca89d9 100644
--- a/google/cloud/kms/v1/autokey_admin.proto
+++ b/google/cloud/kms/v1/autokey_admin.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/kms/v1/ekm_service.proto b/google/cloud/kms/v1/ekm_service.proto
index 141b235190..abf5ca50c2 100644
--- a/google/cloud/kms/v1/ekm_service.proto
+++ b/google/cloud/kms/v1/ekm_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/kms/v1/resources.proto b/google/cloud/kms/v1/resources.proto
index c585eada95..2e4e548b15 100644
--- a/google/cloud/kms/v1/resources.proto
+++ b/google/cloud/kms/v1/resources.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/kms/v1/service.proto b/google/cloud/kms/v1/service.proto
index a49f1266cf..096317c7f9 100644
--- a/google/cloud/kms/v1/service.proto
+++ b/google/cloud/kms/v1/service.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/networkmanagement/v1/connectivity_test.proto b/google/cloud/networkmanagement/v1/connectivity_test.proto
index b73ba72e14..5ae37b799d 100644
--- a/google/cloud/networkmanagement/v1/connectivity_test.proto
+++ b/google/cloud/networkmanagement/v1/connectivity_test.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/networkmanagement/v1/reachability.proto b/google/cloud/networkmanagement/v1/reachability.proto
index e6ece7d335..21c3bbceeb 100644
--- a/google/cloud/networkmanagement/v1/reachability.proto
+++ b/google/cloud/networkmanagement/v1/reachability.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/networkmanagement/v1/trace.proto b/google/cloud/networkmanagement/v1/trace.proto
index 64494adefe..7bd2ee5590 100644
--- a/google/cloud/networkmanagement/v1/trace.proto
+++ b/google/cloud/networkmanagement/v1/trace.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/networkmanagement/v1/vpc_flow_logs.proto b/google/cloud/networkmanagement/v1/vpc_flow_logs.proto
index b1e60bfff0..5b21d87938 100644
--- a/google/cloud/networkmanagement/v1/vpc_flow_logs.proto
+++ b/google/cloud/networkmanagement/v1/vpc_flow_logs.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 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/google/cloud/networkmanagement/v1/vpc_flow_logs_config.proto b/google/cloud/networkmanagement/v1/vpc_flow_logs_config.proto
index 77cc33c26c..b0b83f2655 100644
--- a/google/cloud/networkmanagement/v1/vpc_flow_logs_config.proto
+++ b/google/cloud/networkmanagement/v1/vpc_flow_logs_config.proto
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.