diff --git a/.jsdoc.js b/.jsdoc.js
index e6352a87b..7ba807e20 100644
--- a/.jsdoc.js
+++ b/.jsdoc.js
@@ -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.
@@ -40,7 +40,7 @@ module.exports = {
     includePattern: '\\.js$'
   },
   templates: {
-    copyright: 'Copyright 2025 Google LLC',
+    copyright: 'Copyright 2026 Google LLC',
     includeDate: false,
     sourceFiles: false,
     systemName: '@google-cloud/firestore',
diff --git a/dev/src/v1/firestore_admin_client.ts b/dev/src/v1/firestore_admin_client.ts
index e7b49bd63..b39b37d95 100644
--- a/dev/src/v1/firestore_admin_client.ts
+++ b/dev/src/v1/firestore_admin_client.ts
@@ -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/dev/src/v1/firestore_client.ts b/dev/src/v1/firestore_client.ts
index 9429a2d62..cc21ec244 100644
--- a/dev/src/v1/firestore_client.ts
+++ b/dev/src/v1/firestore_client.ts
@@ -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/dev/src/v1beta1/firestore_client.ts b/dev/src/v1beta1/firestore_client.ts
index 132509a83..9e4549127 100644
--- a/dev/src/v1beta1/firestore_client.ts
+++ b/dev/src/v1beta1/firestore_client.ts
@@ -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/dev/test/gapic_firestore_admin_v1.ts b/dev/test/gapic_firestore_admin_v1.ts
index cb1e4171f..a64653426 100644
--- a/dev/test/gapic_firestore_admin_v1.ts
+++ b/dev/test/gapic_firestore_admin_v1.ts
@@ -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/dev/test/gapic_firestore_v1.ts b/dev/test/gapic_firestore_v1.ts
index 6060a9871..4e91b6d2d 100644
--- a/dev/test/gapic_firestore_v1.ts
+++ b/dev/test/gapic_firestore_v1.ts
@@ -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/dev/test/gapic_firestore_v1beta1.ts b/dev/test/gapic_firestore_v1beta1.ts
index 8ca18f6ba..802d93a22 100644
--- a/dev/test/gapic_firestore_v1beta1.ts
+++ b/dev/test/gapic_firestore_v1beta1.ts
@@ -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.