diff --git a/packages/google-cloud-support/protos/google/cloud/support/v2/actor.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/actor.proto
index b214e08a2c1..3dfb5de103e 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/actor.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/actor.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/attachment.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/attachment.proto
index 02725e3730b..9039620b314 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/attachment.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/attachment.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/attachment_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/attachment_service.proto
index d7ee6559ecc..5c63b8dc101 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/attachment_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/attachment_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/case.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/case.proto
index 63e65a4cd8a..b14160b4c90 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/case.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/case.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/case_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/case_service.proto
index abd77bf62bf..4030bc1cafe 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/case_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/case_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/comment.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/comment.proto
index 2729176a3f6..85c6f6076c8 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/comment.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/comment.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/comment_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/comment_service.proto
index d05d2ae763a..6321b52b620 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/comment_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/comment_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2/escalation.proto b/packages/google-cloud-support/protos/google/cloud/support/v2/escalation.proto
index 5f5d68ca197..ffc79d9e11f 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2/escalation.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2/escalation.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/actor.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/actor.proto
index 908b94ad5fb..6effd8a3acf 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/actor.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/actor.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment.proto
index 1ea39feaa84..918d006edbd 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment_service.proto
index e488712eec1..acf53096443 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/attachment_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/case.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/case.proto
index b042e9d95e4..10a2cb6c8c9 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/case.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/case.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/case_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/case_service.proto
index cd9894d2b97..8863f275036 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/case_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/case_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment.proto
index 0bc668d095f..dd6b1ee2e0f 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment_service.proto
index f0cd726cfb3..dff46126955 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/comment_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/content.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/content.proto
index bd7c184bcd9..29750d7c24f 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/content.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/content.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/email_message.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/email_message.proto
index f20350358d4..6321cf00645 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/email_message.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/email_message.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/escalation.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/escalation.proto
index e3cd802232f..abec570edec 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/escalation.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/escalation.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_item.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_item.proto
index 0540170772e..c275dbcc341 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_item.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_item.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 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/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_service.proto b/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_service.proto
index bcf447d31d4..02d36c19808 100644
--- a/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_service.proto
+++ b/packages/google-cloud-support/protos/google/cloud/support/v2beta/feed_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.