diff --git a/warehouse/metrics_tools/compute/manual_testing_utils.py b/warehouse/metrics_tools/compute/manual_testing_utils.py
index cf6fe108..6475472f 100644
--- a/warehouse/metrics_tools/compute/manual_testing_utils.py
+++ b/warehouse/metrics_tools/compute/manual_testing_utils.py
@@ -112,6 +112,7 @@ def run_local_test(
         dependent_tables_map={
             "metrics.events_daily_to_artifact": "sqlmesh__metrics.metrics__events_daily_to_artifact__2357434958"
         },
+        slots=2,
         batch_size=batch_size,
         cluster_max_size=cluster_size,
         cluster_min_size=cluster_size,