diff --git a/app/services/expired_dossiers_deletion_service.rb b/app/services/expired_dossiers_deletion_service.rb
index 69358049a..2c1b45def 100644
--- a/app/services/expired_dossiers_deletion_service.rb
+++ b/app/services/expired_dossiers_deletion_service.rb
@@ -49,7 +49,7 @@ class ExpiredDossiersDeletionService
     user_notifications = group_by_user_email(Dossier.brouillon_expired)
       .map { |(email, dossiers)| [email, dossiers.map(&:hash_for_deletion_mail)] }
 
-    Dossier.brouillon_expired.destroy_all
+    Dossier.brouillon_expired.in_batches.destroy_all
 
     user_notifications.each do |(email, dossiers_hash)|
       DossierMailer.notify_brouillon_deletion(