diff --git a/sonar/modules/documents/cli/urn.py b/sonar/modules/documents/cli/urn.py
index fb32bd4d..096fb211 100644
--- a/sonar/modules/documents/cli/urn.py
+++ b/sonar/modules/documents/cli/urn.py
@@ -27,7 +27,7 @@
 from invenio_pidstore.models import PersistentIdentifier, PIDStatus
 
 from sonar.modules.documents.api import DocumentRecord
-from sonar.modules.documents.dnb import DnbUrnService
+from sonar.modules.documents.dnb import DnbServerError, DnbUrnService
 from sonar.modules.documents.urn import Urn
 from sonar.snl.ftp import SNLRepository
 
@@ -105,6 +105,7 @@ def register():
     click.secho(f'{idx} URN registered.', fg='green')
 
 
+
 @urn.command('snl-upload-file')
 @click.argument('urn_code')
 @with_appcontext
@@ -184,3 +185,23 @@ def snl_list_files():
     )
     snl_repository.connect()
     snl_repository.list()
+
+@urn.command()
+@click.argument('urn')
+@click.argument('successor_urn')
+@with_appcontext
+def successor(urn, successor_urn):
+    """Set a successor for a given run.
+
+    :param urn: str - URN identifier
+    :param successor_urn: str - Sucessor URN identifier
+    """
+    try:
+        DnbUrnService().set_successor(urn, successor_urn)
+        click.secho(
+            f'Added successfully a successor.',
+            fg='green')
+    except DnbServerError as err:
+        click.secho(
+            str(err),
+            fg='red')
diff --git a/sonar/modules/documents/dnb.py b/sonar/modules/documents/dnb.py
index ad60652c..adfd9882 100644
--- a/sonar/modules/documents/dnb.py
+++ b/sonar/modules/documents/dnb.py
@@ -148,6 +148,27 @@ def update(cls, urn_code, urls):
                 f'when we update the information of the following '
                 f'urn: {urn_code}')
 
+    @classmethod
+    def set_successor(cls, urn_code, successor_urn):
+        """Set the successor of a given urn.
+
+        :param urn_code: str - the urn code.
+        :param successor_urn: str - the urn code of the successor.
+        """
+        response = requests.request(
+            'PATCH',
+            f"{cls.base_url()}/urn/{urn_code}",
+            headers=cls.headers(),
+            data=json.dumps(dict(successor=f'{cls.base_url()}/urn/{successor_urn}'))
+        )
+        if response.status_code != 204:
+            msg = response.json().get('developerMessage', '')
+            raise DnbServerError(
+                f'Bad DNB server response status {response.status_code}, '
+                f'when we update the information of the following '
+                f'urn: {urn_code}',
+                f'{msg}')
+
     @classmethod
     def create(cls, data):
         """Register a new URN to the DBN service with a list of urls.
diff --git a/tests/api/documents/test_dnb_api.py b/tests/api/documents/test_dnb_api.py
index 1ba1122a..56e0d808 100644
--- a/tests/api/documents/test_dnb_api.py
+++ b/tests/api/documents/test_dnb_api.py
@@ -33,7 +33,6 @@ def test_dnb_rest_api_verify_exist(app):
         urn_code = 'urn:nbn:ch:rero-006-119656'
         assert DnbUrnService.exists(urn_code)
 
-
 def test_dnb_rest_api_verify_not_exist(app):
     """Test dnb rest api verify code does not exist."""
     with requests_mock.mock() as response:
diff --git a/tests/ui/documents/test_dnb.py b/tests/ui/documents/test_dnb.py
new file mode 100644
index 00000000..a4a673ec
--- /dev/null
+++ b/tests/ui/documents/test_dnb.py
@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+#
+# Swiss Open Access Repository
+# Copyright (C) 2024 RERO
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, version 3 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Test DnbUrnService API."""
+
+
+import requests_mock
+
+from sonar.modules.documents.dnb import DnbUrnService
+
+
+def test_dnb_sucessor(app):
+    """Test a successor assignment."""
+    with requests_mock.mock() as response:
+        response.patch(requests_mock.ANY, status_code=204)
+        DnbUrnService().set_successor(
+            'urn:nbn:ch:rero-002-old', 'urn:nbn:ch:rero-002-new')