diff --git a/web/modules/custom/dpl_update/dpl_update.install b/web/modules/custom/dpl_update/dpl_update.install
index 326442ad6..7f5bcbf64 100644
--- a/web/modules/custom/dpl_update/dpl_update.install
+++ b/web/modules/custom/dpl_update/dpl_update.install
@@ -367,3 +367,12 @@ function dpl_update_update_10031(): string {
 function dpl_update_update_10032(): string {
   return _dpl_update_install_modules(['purge_queues']);
 }
+
+/**
+ * Use alternate database backend for purge queue.
+ */
+function dpl_update_update_10033(): string {
+  // @see https://git.drupalcode.org/project/purge_queues/-/blob/2.0.x/src/Plugin/Purge/Queue/AltDatabaseQueue.php?ref_type=heads#L12
+  \Drupal::configFactory()->getEditable('purge.plugins')->set('queue', 'database_alt')->save();
+  return 'Configured purge queue to use database_alt.';
+}