diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 1037af3..97da4f7 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -28,7 +28,7 @@ jobs:
           extensions: "grpc"
 
       - name: Setup Buf
-        uses: bufbuild/buf-setup-action@v1.47.2
+        uses: bufbuild/buf-setup-action@v1.48.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/src/Sdk/Builder/AttributeValue.php b/src/Sdk/Builder/AttributeValue.php
index 63fb0f7..1b8af8f 100644
--- a/src/Sdk/Builder/AttributeValue.php
+++ b/src/Sdk/Builder/AttributeValue.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/AuxData.php b/src/Sdk/Builder/AuxData.php
index cfca3d3..40cdd19 100644
--- a/src/Sdk/Builder/AuxData.php
+++ b/src/Sdk/Builder/AuxData.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/CerbosClientBuilder.php b/src/Sdk/Builder/CerbosClientBuilder.php
index be1f6c6..8cbee40 100644
--- a/src/Sdk/Builder/CerbosClientBuilder.php
+++ b/src/Sdk/Builder/CerbosClientBuilder.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/CheckResourcesRequest.php b/src/Sdk/Builder/CheckResourcesRequest.php
index 440fda8..79e67c4 100644
--- a/src/Sdk/Builder/CheckResourcesRequest.php
+++ b/src/Sdk/Builder/CheckResourcesRequest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/PlanResourcesRequest.php b/src/Sdk/Builder/PlanResourcesRequest.php
index b3b24d0..1e93167 100644
--- a/src/Sdk/Builder/PlanResourcesRequest.php
+++ b/src/Sdk/Builder/PlanResourcesRequest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/Principal.php b/src/Sdk/Builder/Principal.php
index b48f65e..044e982 100644
--- a/src/Sdk/Builder/Principal.php
+++ b/src/Sdk/Builder/Principal.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/Resource.php b/src/Sdk/Builder/Resource.php
index a11de7e..d41f31d 100644
--- a/src/Sdk/Builder/Resource.php
+++ b/src/Sdk/Builder/Resource.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Builder/ResourceEntry.php b/src/Sdk/Builder/ResourceEntry.php
index e7a82bf..3651a9a 100644
--- a/src/Sdk/Builder/ResourceEntry.php
+++ b/src/Sdk/Builder/ResourceEntry.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/CerbosClient.php b/src/Sdk/CerbosClient.php
index 3506984..9782692 100644
--- a/src/Sdk/CerbosClient.php
+++ b/src/Sdk/CerbosClient.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Response/V1/CheckResourcesResponse/CheckResourcesResponse.php b/src/Sdk/Response/V1/CheckResourcesResponse/CheckResourcesResponse.php
index 70d48b0..1074eed 100644
--- a/src/Sdk/Response/V1/CheckResourcesResponse/CheckResourcesResponse.php
+++ b/src/Sdk/Response/V1/CheckResourcesResponse/CheckResourcesResponse.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/Meta.php b/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/Meta.php
index fbf8302..f7e515c 100644
--- a/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/Meta.php
+++ b/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/Meta.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/ResultEntry.php b/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/ResultEntry.php
index ac541b3..e3aa453 100644
--- a/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/ResultEntry.php
+++ b/src/Sdk/Response/V1/CheckResourcesResponse/ResultEntry/ResultEntry.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Response/V1/PlanResourcesResponse/Meta.php b/src/Sdk/Response/V1/PlanResourcesResponse/Meta.php
index 7209296..ef0d94f 100644
--- a/src/Sdk/Response/V1/PlanResourcesResponse/Meta.php
+++ b/src/Sdk/Response/V1/PlanResourcesResponse/Meta.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Response/V1/PlanResourcesResponse/PlanResourcesResponse.php b/src/Sdk/Response/V1/PlanResourcesResponse/PlanResourcesResponse.php
index fb542f0..39db54e 100644
--- a/src/Sdk/Response/V1/PlanResourcesResponse/PlanResourcesResponse.php
+++ b/src/Sdk/Response/V1/PlanResourcesResponse/PlanResourcesResponse.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Utility/Metadata.php b/src/Sdk/Utility/Metadata.php
index f3f3dde..3bf1b71 100644
--- a/src/Sdk/Utility/Metadata.php
+++ b/src/Sdk/Utility/Metadata.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/src/Sdk/Utility/RequestId.php b/src/Sdk/Utility/RequestId.php
index 19741ed..f3b0989 100644
--- a/src/Sdk/Utility/RequestId.php
+++ b/src/Sdk/Utility/RequestId.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/tests/CerbosClientTest.php b/tests/CerbosClientTest.php
index 8524287..d041db7 100644
--- a/tests/CerbosClientTest.php
+++ b/tests/CerbosClientTest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 namespace Cerbos\Test;
diff --git a/tests/Sdk/Builder/AuxDataTest.php b/tests/Sdk/Builder/AuxDataTest.php
index eeec748..1117b25 100644
--- a/tests/Sdk/Builder/AuxDataTest.php
+++ b/tests/Sdk/Builder/AuxDataTest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 namespace Cerbos\Test\Sdk\Builder;
diff --git a/tests/Sdk/Builder/CheckResourcesRequestTest.php b/tests/Sdk/Builder/CheckResourcesRequestTest.php
index ae4498b..9c77b0f 100644
--- a/tests/Sdk/Builder/CheckResourcesRequestTest.php
+++ b/tests/Sdk/Builder/CheckResourcesRequestTest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);
diff --git a/tests/Sdk/Builder/PrincipalTest.php b/tests/Sdk/Builder/PrincipalTest.php
index 0ed3247..1ff14c2 100644
--- a/tests/Sdk/Builder/PrincipalTest.php
+++ b/tests/Sdk/Builder/PrincipalTest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 namespace Cerbos\Test\Sdk\Builder;
diff --git a/tests/Sdk/Builder/ResourceEntryTest.php b/tests/Sdk/Builder/ResourceEntryTest.php
index b69d469..d0262a3 100644
--- a/tests/Sdk/Builder/ResourceEntryTest.php
+++ b/tests/Sdk/Builder/ResourceEntryTest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 namespace Cerbos\Test\Sdk\Builder;
diff --git a/tests/Sdk/Builder/ResourceTest.php b/tests/Sdk/Builder/ResourceTest.php
index 121126f..eb4c6d2 100644
--- a/tests/Sdk/Builder/ResourceTest.php
+++ b/tests/Sdk/Builder/ResourceTest.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 namespace Cerbos\Test\Sdk\Builder;
diff --git a/tests/TestCase.php b/tests/TestCase.php
index bcc0c66..c54a766 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -1,6 +1,6 @@
 <?php
 
-// Copyright 2021-2024 Zenauth Ltd.
+// Copyright 2021-2025 Zenauth Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 declare(strict_types=1);