diff --git a/config/optional/field.storage.user.field_user_id_lattes.yml b/config/optional/field.storage.user.field_user_id_lattes.yml
index 691de3e..726df05 100644
--- a/config/optional/field.storage.user.field_user_id_lattes.yml
+++ b/config/optional/field.storage.user.field_user_id_lattes.yml
@@ -9,7 +9,7 @@ entity_type: user
 type: integer
 settings:
   unsigned: false
-  size: normal
+  size: big
 module: core
 locked: false
 cardinality: 1
diff --git a/site_users.install b/site_users.install
index 9e87799..18e0a96 100644
--- a/site_users.install
+++ b/site_users.install
@@ -487,6 +487,27 @@ function site_users_update_10006() {
   return t("View mode 'restricted' e campo field_user_selected_view_mode criados.");
 }
 
+/**
+ * Altera field_user_id_lattes de INT para BIGINT (IDs Lattes têm 16 dígitos).
+ */
+function site_users_update_10007() {
+  // Atualiza a config ativa.
+  \Drupal::configFactory()
+    ->getEditable('field.storage.user.field_user_id_lattes')
+    ->set('settings.size', 'big')
+    ->save(TRUE);
+
+  // Atualiza a definição instalada e o esquema do banco de dados.
+  $manager = \Drupal::entityDefinitionUpdateManager();
+  $storage_definition = $manager->getFieldStorageDefinition('field_user_id_lattes', 'user');
+  if ($storage_definition) {
+    $storage_definition->setSetting('size', 'big');
+    $manager->updateFieldStorageDefinition($storage_definition);
+  }
+
+  return t('field_user_id_lattes alterado para BIGINT para suportar IDs Lattes de 16 dígitos.');
+}
+
 /**
  * Corrige mapeamentos LDAP com campos de string nulos na config ativa.
  */