diff --git a/internal/configs/sharding/stress.go b/internal/configs/sharding/stress.go
index 676e401bf..98d79486d 100644
--- a/internal/configs/sharding/stress.go
+++ b/internal/configs/sharding/stress.go
@@ -80,5 +80,5 @@ var stressnetReshardingEpoch = []*big.Int{
 	params.StressnetChainConfig.StakingEpoch,
 }
 
-var stressnetV0 = MustNewInstance(4, 120, 120, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, stressnetReshardingEpoch, StressNetSchedule.BlocksPerEpoch())
-var stressnetV1 = MustNewInstance(4, 150, 120, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, stressnetReshardingEpoch, StressNetSchedule.BlocksPerEpoch())
+var stressnetV0 = MustNewInstance(4, 30, 30, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, stressnetReshardingEpoch, StressNetSchedule.BlocksPerEpoch())
+var stressnetV1 = MustNewInstance(4, 50, 30, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, stressnetReshardingEpoch, StressNetSchedule.BlocksPerEpoch())