diff --git a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/apt_artifact.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/apt_artifact.proto
index c9da2a5d7be..67a1b9cf42b 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/apt_artifact.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/apt_artifact.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto
index 691638efd8d..a61538a9475 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/attachment.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/attachment.proto
index 7f283f684a8..da05158d2d8 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/attachment.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/export.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/export.proto
index 2e89c126a96..890e42a9e0c 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/export.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/export.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/file.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/file.proto
index 35b3ebde6f8..ed5886d9f5e 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/file.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/file.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.
@@ -41,6 +41,9 @@ message Hash {
 
     // MD5 hash.
     MD5 = 2;
+
+    // Dirsum SHA256 hash.
+    DIRSUM_SHA256 = 3;
   }
 
   // The algorithm used to compute the hash value.
diff --git a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/generic.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/generic.proto
index b26f31a9e78..85c0c10f0ff 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/generic.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/generic.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/go.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/go.proto
index 0f459b4f1cf..3a5d56918cb 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/go.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/go.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/kfp_artifact.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/kfp_artifact.proto
index 94641accdbb..c7e59a59d84 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/kfp_artifact.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/kfp_artifact.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/package.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/package.proto
index 35ae37ef1e5..8bb9c0426a7 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/package.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/package.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/repository.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/repository.proto
index 40fc30a008a..82bfb3ebf3f 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/repository.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/repository.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/rule.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/rule.proto
index cfe5be0ab58..03be67007bd 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/rule.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/rule.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/service.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/service.proto
index b7e7c368092..0b17ae07be0 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/service.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/settings.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/settings.proto
index 54f94b30a78..f617db75c12 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/settings.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/settings.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/tag.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/tag.proto
index 3268a2f8ad0..a7bcb3d5973 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/tag.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/tag.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/version.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/version.proto
index 4efa5c15fec..05a54767613 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/version.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/version.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/vpcsc_config.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/vpcsc_config.proto
index 477bbda9a89..a2c5b5100b7 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/vpcsc_config.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/vpcsc_config.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-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/yum_artifact.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/yum_artifact.proto
index 3592c8f4896..b36a1311824 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/yum_artifact.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/yum_artifact.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-devtools-artifactregistry/protos/protos.d.ts b/packages/google-devtools-artifactregistry/protos/protos.d.ts
index 25b2410fda0..4f3e1dbc85d 100644
--- a/packages/google-devtools-artifactregistry/protos/protos.d.ts
+++ b/packages/google-devtools-artifactregistry/protos/protos.d.ts
@@ -3790,7 +3790,8 @@ export namespace google {
                     enum HashType {
                         HASH_TYPE_UNSPECIFIED = 0,
                         SHA256 = 1,
-                        MD5 = 2
+                        MD5 = 2,
+                        DIRSUM_SHA256 = 3
                     }
                 }
 
diff --git a/packages/google-devtools-artifactregistry/protos/protos.js b/packages/google-devtools-artifactregistry/protos/protos.js
index 98eb515285e..41c816dbc17 100644
--- a/packages/google-devtools-artifactregistry/protos/protos.js
+++ b/packages/google-devtools-artifactregistry/protos/protos.js
@@ -9208,6 +9208,7 @@
                                 case 0:
                                 case 1:
                                 case 2:
+                                case 3:
                                     break;
                                 }
                             if (message.value != null && message.hasOwnProperty("value"))
@@ -9247,6 +9248,10 @@
                             case 2:
                                 message.type = 2;
                                 break;
+                            case "DIRSUM_SHA256":
+                            case 3:
+                                message.type = 3;
+                                break;
                             }
                             if (object.value != null)
                                 if (typeof object.value === "string")
@@ -9319,12 +9324,14 @@
                          * @property {number} HASH_TYPE_UNSPECIFIED=0 HASH_TYPE_UNSPECIFIED value
                          * @property {number} SHA256=1 SHA256 value
                          * @property {number} MD5=2 MD5 value
+                         * @property {number} DIRSUM_SHA256=3 DIRSUM_SHA256 value
                          */
                         Hash.HashType = (function() {
                             var valuesById = {}, values = Object.create(valuesById);
                             values[valuesById[0] = "HASH_TYPE_UNSPECIFIED"] = 0;
                             values[valuesById[1] = "SHA256"] = 1;
                             values[valuesById[2] = "MD5"] = 2;
+                            values[valuesById[3] = "DIRSUM_SHA256"] = 3;
                             return values;
                         })();
     
diff --git a/packages/google-devtools-artifactregistry/protos/protos.json b/packages/google-devtools-artifactregistry/protos/protos.json
index dc9bdac4d2d..f6e3df4f4c1 100644
--- a/packages/google-devtools-artifactregistry/protos/protos.json
+++ b/packages/google-devtools-artifactregistry/protos/protos.json
@@ -839,7 +839,8 @@
                           "values": {
                             "HASH_TYPE_UNSPECIFIED": 0,
                             "SHA256": 1,
-                            "MD5": 2
+                            "MD5": 2,
+                            "DIRSUM_SHA256": 3
                           }
                         }
                       }