diff --git a/addons/api/addon/generated/models/storage-bucket.js b/addons/api/addon/generated/models/storage-bucket.js
index d98919926..53492bd38 100644
--- a/addons/api/addon/generated/models/storage-bucket.js
+++ b/addons/api/addon/generated/models/storage-bucket.js
@@ -79,6 +79,13 @@ export default class GeneratedStorageBucketModel extends BaseModel {
   })
   secrets_hmac;
 
+  @attr('boolean', {
+    isNestedAttribute: true,
+    description: 'If set to `true`, credential rotation is not performed.',
+  })
+  disable_credential_rotation;
+
+  // =attributes (static credentials)
   @attr('string', {
     isNestedSecret: true,
     description: 'The AWS access key ID to use.',
@@ -91,9 +98,29 @@ export default class GeneratedStorageBucketModel extends BaseModel {
   })
   secret_access_key;
 
-  @attr('boolean', {
+  // =attributes (dynamic credentials)
+  @attr('string', {
     isNestedAttribute: true,
-    description: '',
+    description: 'The role ARN to use.',
   })
-  disable_credential_rotation;
+  role_arn;
+
+  @attr('string', {
+    isNestedAttribute: true,
+    description: 'The role external ID to use.',
+  })
+  role_external_id;
+
+  @attr('string', {
+    isNestedAttribute: true,
+    description: 'The role session to use.',
+  })
+  role_session_name;
+
+  @attr('object-as-array', {
+    isNestedAttribute: true,
+    description: 'The role tags to use.',
+    useLabels: true,
+  })
+  role_tags;
 }
diff --git a/addons/api/tests/unit/serializers/storage-bucket-test.js b/addons/api/tests/unit/serializers/storage-bucket-test.js
index dad0f1a68..8bae81190 100644
--- a/addons/api/tests/unit/serializers/storage-bucket-test.js
+++ b/addons/api/tests/unit/serializers/storage-bucket-test.js
@@ -22,7 +22,7 @@ module('Unit | Serializer | storage bucket', function (hooks) {
     assert.ok(serializedRecord);
   });
 
-  test('it serializes a new aws plugin as expected', async function (assert) {
+  test('it serializes a new static aws plugin as expected', async function (assert) {
     assert.expect(1);
     const store = this.owner.lookup('service:store');
     const record = store.createRecord('storage-bucket', {
@@ -37,6 +37,10 @@ module('Unit | Serializer | storage bucket', function (hooks) {
       secret_access_key: 'testing',
       secrets_hmac: 'hmac',
       disable_credential_rotation: true,
+      role_arn: null,
+      role_external_id: null,
+      role_session_name: null,
+      role_tags: null,
     });
     const expectedResult = {
       name: 'AWS',
@@ -48,6 +52,10 @@ module('Unit | Serializer | storage bucket', function (hooks) {
       attributes: {
         region: 'eu-west-1',
         disable_credential_rotation: true,
+        role_arn: null,
+        role_external_id: null,
+        role_session_name: null,
+        role_tags: null,
       },
       secrets: {
         access_key_id: 'foobars',
@@ -57,6 +65,47 @@ module('Unit | Serializer | storage bucket', function (hooks) {
     assert.deepEqual(record.serialize(), expectedResult);
   });
 
+  test('it serializes a new dynamic aws plugin as expected', async function (assert) {
+    assert.expect(1);
+    const store = this.owner.lookup('service:store');
+    const record = store.createRecord('storage-bucket', {
+      compositeType: TYPE_STORAGE_BUCKET_PLUGIN_AWS_S3,
+      name: 'AWS',
+      description: 'this has an aws plugin',
+      bucket_name: 'bucketname',
+      bucket_prefix: 'bucketprefix',
+      worker_filter: 'workerfilter',
+      region: 'eu-west-1',
+      access_key_id: '',
+      secret_access_key: '',
+      secrets_hmac: 'hmac',
+      disable_credential_rotation: true,
+      role_arn: 'arn',
+      role_external_id: 'Example987',
+      role_session_name: 'my-session',
+      role_tags: [
+        { key: 'Project', value: 'Automation' },
+        { key: 'foo', value: 'bar' },
+      ],
+    });
+    const expectedResult = {
+      name: 'AWS',
+      description: 'this has an aws plugin',
+      type: TYPE_STORAGE_BUCKET_PLUGIN,
+      bucket_name: 'bucketname',
+      bucket_prefix: 'bucketprefix',
+      worker_filter: 'workerfilter',
+      attributes: {
+        region: 'eu-west-1',
+        disable_credential_rotation: true,
+        role_arn: 'arn',
+        role_external_id: 'Example987',
+        role_session_name: 'my-session',
+        role_tags: { Project: 'Automation', foo: 'bar' },
+      },
+    };
+    assert.deepEqual(record.serialize(), expectedResult);
+  });
   test('it serializes when updating correctly', async function (assert) {
     assert.expect(1);
     const store = this.owner.lookup('service:store');
@@ -79,6 +128,10 @@ module('Unit | Serializer | storage bucket', function (hooks) {
           secrets_hmac: 'hmac',
           disable_credential_rotation: true,
           version: 1,
+          role_arn: null,
+          role_external_id: null,
+          role_session_name: null,
+          role_tags: [],
         },
       },
     });
@@ -94,6 +147,10 @@ module('Unit | Serializer | storage bucket', function (hooks) {
       attributes: {
         region: 'eu-west-1',
         disable_credential_rotation: true,
+        role_arn: null,
+        role_external_id: null,
+        role_session_name: null,
+        role_tags: null,
       },
       secrets: {
         access_key_id: 'foobars',