diff --git a/migration.sql b/migration.sql
index ce310ee..7158902 100644
--- a/migration.sql
+++ b/migration.sql
@@ -123,3 +123,6 @@ VACUUM FULL banking_stage_results_2.transaction_slot;
 
 ALTER TABLE banking_stage_results_2.transactions ALTER COLUMN signature TYPE varchar(88);
 ALTER TABLE banking_stage_results_2.accounts ALTER COLUMN account_key TYPE varchar(44);
+
+CLUSTER banking_stage_results_2.accounts_map_transaction using accounts_map_transaction_pkey;
+