diff --git a/swarm/network/simulations/discovery/discovery_test.go b/swarm/network/simulations/discovery/discovery_test.go
index aa9f762f9c..e90a80b0be 100644
--- a/swarm/network/simulations/discovery/discovery_test.go
+++ b/swarm/network/simulations/discovery/discovery_test.go
@@ -218,7 +218,7 @@ func discoverySimulation(nodes, conns int, adapter adapters.NodeAdapter) (*simul
 
 	// 64 nodes ~ 1min
 	// 128 nodes ~
-	timeout := 600 * time.Second
+	timeout := 300 * time.Second
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 	defer cancel()
 	result := simulations.NewSimulation(net).Run(ctx, &simulations.Step{