diff --git a/db/docs/batched_background_migrations/backfill_scan_result_policies_namespace_id.yml b/db/docs/batched_background_migrations/backfill_scan_result_policies_namespace_id.yml
index c86ac244ae976766231a9ddfa75c5279ed5b1165..3e9f35cc2a510bf0d482bd6a349afd9a0c385519 100644
--- a/db/docs/batched_background_migrations/backfill_scan_result_policies_namespace_id.yml
+++ b/db/docs/batched_background_migrations/backfill_scan_result_policies_namespace_id.yml
@@ -5,4 +5,4 @@ feature_category: security_policy_management
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183125
 milestone: '17.10'
 queued_migration_version: 20250301125858
-finalized_by: # version of the migration that finalized this BBM
+finalized_by: '20250710232543'
diff --git a/db/post_migrate/20250710232543_finalize_hk_backfill_scan_result_policies_namespace_id.rb b/db/post_migrate/20250710232543_finalize_hk_backfill_scan_result_policies_namespace_id.rb
new file mode 100644
index 0000000000000000000000000000000000000000..46689cdc73ad3dd4918b597702677548b35ed46c
--- /dev/null
+++ b/db/post_migrate/20250710232543_finalize_hk_backfill_scan_result_policies_namespace_id.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class FinalizeHkBackfillScanResultPoliciesNamespaceId < Gitlab::Database::Migration[2.3]
+  milestone '18.2'
+
+  disable_ddl_transaction!
+
+  restrict_gitlab_migration gitlab_schema: :gitlab_main_cell
+
+  def up
+    ensure_batched_background_migration_is_finished(
+      job_class_name: 'BackfillScanResultPoliciesNamespaceId',
+      table_name: :scan_result_policies,
+      column_name: :id,
+      job_arguments: [:namespace_id, :security_orchestration_policy_configurations, :namespace_id,
+        :security_orchestration_policy_configuration_id],
+      finalize: true
+    )
+  end
+
+  def down; end
+end
diff --git a/db/schema_migrations/20250710232543 b/db/schema_migrations/20250710232543
new file mode 100644
index 0000000000000000000000000000000000000000..8748af2939ee98b9209293d9d369f3b8b3012f2c
--- /dev/null
+++ b/db/schema_migrations/20250710232543
@@ -0,0 +1 @@
+14644e4b7507cd10b7930b73b70d6d78468fcf99abe61d6289a38f64e4eef11a
\ No newline at end of file