diff --git a/swarm.go b/swarm.go
index 8cbeb12..0b7d4c5 100644
--- a/swarm.go
+++ b/swarm.go
@@ -19,6 +19,12 @@ type SwarmConfig struct {
 	// `Swarm.Transports.Relay` if specified.
 	DisableRelay bool `json:",omitempty"`
 
+	// EnableRelayHop makes this node act as a public relay v1
+	//
+	// Deprecated: The circuit v1 protocol is deprecated.
+	// Use `Swarm.RelayService` to configure the circuit v2 relay.
+	EnableRelayHop bool `json:",omitempty"`
+
 	// EnableAutoRelay enables the "auto relay user" feature.
 	// Node will find and use advertised public relays when it determines that
 	// it's not reachable from the public internet.