diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0085304..4d54f6c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-# Copyright 2025 The Cirq Developers
+# 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/.github/workflows/citation-updater.yaml b/.github/workflows/citation-updater.yaml
index a14185b..5768ad7 100644
--- a/.github/workflows/citation-updater.yaml
+++ b/.github/workflows/citation-updater.yaml
@@ -1,4 +1,4 @@
-# Copyright 2025 The Cirq Developers
+# 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/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index 7023ea4..7294230 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -1,4 +1,4 @@
-# Copyright 2025 The Cirq Developers
+# 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/.github/workflows/stable-release-workflow.yml b/.github/workflows/stable-release-workflow.yml
index a4e8c3d..860b02d 100644
--- a/.github/workflows/stable-release-workflow.yml
+++ b/.github/workflows/stable-release-workflow.yml
@@ -1,4 +1,4 @@
-# Copyright 2025 The Cirq Developers
+# 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.