diff --git a/endpoint/endpoint.go b/endpoint/endpoint.go
index 8b54ad9..051d55f 100644
--- a/endpoint/endpoint.go
+++ b/endpoint/endpoint.go
@@ -68,6 +68,12 @@ func WithRelayMode(rMode *iroh.RelayMode) Option {
 	}
 }
 
+func WithSecretKey(secretKey []byte) Option {
+	return func(endpointBuilder *iroh.EndpointBuilder) error {
+		return endpointBuilder.SecretKey(secretKey)
+	}
+}
+
 func WithDebug() Option {
 	return func(endpointBuilder *iroh.EndpointBuilder) error {
 		lvl := new(slog.LevelVar)