diff --git a/internal/scheduler/database/job_repository.go b/internal/scheduler/database/job_repository.go
index 3592da8d3c0..4590a35f33a 100644
--- a/internal/scheduler/database/job_repository.go
+++ b/internal/scheduler/database/job_repository.go
@@ -244,6 +244,7 @@ func (r *PostgresJobRepository) FetchJobRunLeases(ctx context.Context, executor
 				AND jr.succeeded = false
 				AND jr.failed = false
 				AND jr.cancelled = false
+				ORDER BY jr.serial
 				LIMIT %d;
 `