diff --git a/integration/simulation/simulation_in_mem_test.go b/integration/simulation/simulation_in_mem_test.go
index 6427ea6c23..59b06080be 100644
--- a/integration/simulation/simulation_in_mem_test.go
+++ b/integration/simulation/simulation_in_mem_test.go
@@ -27,7 +27,7 @@ func TestInMemoryMonteCarloSimulation(t *testing.T) {
 		NumberOfNodes: numberOfNodes,
 		//  todo (#718) - try reducing this back to 50 milliseconds once faster-finality model is optimised
 		AvgBlockDuration:           250 * time.Millisecond,
-		SimulationTime:             300 * time.Second,
+		SimulationTime:             30 * time.Second,
 		L1EfficiencyThreshold:      0.2,
 		MgmtContractLib:            ethereummock.NewMgmtContractLibMock(),
 		ERC20ContractLib:           ethereummock.NewERC20ContractLibMock(),