diff --git a/enrollments-events/app/events/enroll_scheduled.py b/enrollments-events/app/events/enroll_scheduled.py
index fd2bb97..7ddf72d 100644
--- a/enrollments-events/app/events/enroll_scheduled.py
+++ b/enrollments-events/app/events/enroll_scheduled.py
@@ -7,7 +7,7 @@ from aws_lambda_powertools.utilities.data_classes import (
 )
 from aws_lambda_powertools.utilities.typing import LambdaContext
 from layercake.dateutils import now
-from layercake.dynamodb import DynamoDBPersistenceLayer
+from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair
 
 from boto3clients import dynamodb_client
 from config import ENROLLMENT_TABLE
@@ -22,6 +22,7 @@ dyn = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
 def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     old_image = event.detail['old_image']
     sk = old_image['sk']
+    _, lock_hash = sk.split('#')
     now_ = now()
     # Key pattern `SCHEDULED#ORG#{org_id}`
     *_, org_id = old_image['id'].split('#')
@@ -57,17 +58,24 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
             persistence_layer=dyn,
         )
 
-        dyn.put_item(
-            item={
-                'id': old_image['id'],
-                'sk': f'{sk}#EXECUTED',
-                'enrollment_id': enrollment.id,
-                'user': old_image['user'],
-                'course': old_image['course'],
-                'created_by': created_by,
-                'created_at': now_,
-            }
-        )
+        with dyn.transact_writer() as transact:
+            transact.put(
+                item={
+                    'id': old_image['id'],
+                    'sk': f'{sk}#EXECUTED',
+                    'enrollment_id': enrollment.id,
+                    'user': old_image['user'],
+                    'course': old_image['course'],
+                    'created_by': created_by,
+                    'created_at': now_,
+                }
+            )
+            transact.delete(
+                key=KeyPair(
+                    pk='LOCK#SCHEDULED',
+                    sk=lock_hash,
+                ),
+            )
     except Exception as exc:
         dyn.put_item(
             item={
diff --git a/enrollments-events/tests/test_docuseal.py b/enrollments-events/tests/test_docuseal.py
index 6c09511..eb36e0a 100644
--- a/enrollments-events/tests/test_docuseal.py
+++ b/enrollments-events/tests/test_docuseal.py
@@ -13,15 +13,89 @@ Seu certificado já está pronto e aguardando apenas a sua assinatura digital.
 """
 
 
+doc = {
+    'id': 549,
+    'name': '7dc7005e-0b98-4e79-b1d1-17999b7555e7',
+    'submitters': [
+        {
+            'id': 549,
+            'slug': 'CPZ92dWCMVUbD5',
+            'uuid': 'b57b1504-2c16-412e-96a4-1e555bff1cce',
+            'name': 'Sérgio R Siqueira',
+            'email': 'sergio@somosbeta.com.br',
+            'phone': None,
+            'completed_at': None,
+            'declined_at': None,
+            'external_id': None,
+            'submission_id': 549,
+            'metadata': {},
+            'opened_at': None,
+            'sent_at': '2025-12-23T23:02:03.491Z',
+            'created_at': '2025-12-23T23:02:03.496Z',
+            'updated_at': '2025-12-23T23:02:03.496Z',
+            'status': 'sent',
+            'application_key': None,
+            'values': [],
+            'preferences': {
+                'email_message_uuid': 'f53c861b-d851-46bc-bcae-e7260fdcff3c',
+                'send_email': True,
+                'send_sms': False,
+            },
+            'role': 'First Party',
+            'embed_src': 'https://docs.eduseg.com.br/s/CPZ92dWCMVUbD5',
+        }
+    ],
+    'source': 'api',
+    'submitters_order': 'preserved',
+    'status': 'pending',
+    'schema': [
+        {
+            'name': '7dc7005e-0b98-4e79-b1d1-17999b7555e7',
+            'attachment_uuid': '64bde5ce-327a-4a0d-9923-2b0c91028e71',
+        }
+    ],
+    'fields': [
+        {
+            'name': 'Assinatura',
+            'type': 'signature',
+            'default_value': None,
+            'conditions': None,
+            'required': True,
+            'uuid': '2bbae88a-8a00-4f71-bdc0-edcce154252c',
+            'submitter_uuid': 'b57b1504-2c16-412e-96a4-1e555bff1cce',
+            'areas': [
+                {
+                    'page': 0,
+                    'attachment_uuid': '64bde5ce-327a-4a0d-9923-2b0c91028e71',
+                    'x': 0.08876572705307295,
+                    'y': 0.6920383425296537,
+                    'w': 0.1995770152872413,
+                    'h': 0.04878657103210542,
+                }
+            ],
+        }
+    ],
+    'expire_at': None,
+    'created_at': '2025-12-23T23:02:03.493Z',
+}
+
+
 def Response(*args, **kwargs):
-    return type('Response', (), {'raise_for_status': object})
+    return type(
+        'Response',
+        (),
+        {
+            'raise_for_status': object,
+            'json': lambda: doc,
+        },
+    )
 
 
 def test_create_submission_from_pdf():
     with patch('docuseal.requests.post', Response):
         with open('tests/sample.pdf', 'rb') as f:
             file = base64.b64encode(f.read())
-            create_submission_from_pdf(
+            r = create_submission_from_pdf(
                 str(uuid.uuid4()),
                 file=file.decode('utf-8'),
                 email_message={
@@ -36,3 +110,4 @@ def test_create_submission_from_pdf():
                     },
                 ],
             )
+            assert 'name' in r
diff --git a/enrollments-events/uv.lock b/enrollments-events/uv.lock
index 7099cc7..176a669 100644
--- a/enrollments-events/uv.lock
+++ b/enrollments-events/uv.lock
@@ -576,7 +576,7 @@ wheels = [
 
 [[package]]
 name = "layercake"
-version = "0.11.3"
+version = "0.11.4"
 source = { directory = "../layercake" }
 dependencies = [
     { name = "arnparse" },