diff --git a/service_update.go b/service_update.go
index c5d07e8394..8e03f7f483 100644
--- a/service_update.go
+++ b/service_update.go
@@ -22,6 +22,10 @@ func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version
 		}
 	}
 
+	if options.RegistryAuthFrom != "" {
+		query.Set("registryAuthFrom", options.RegistryAuthFrom)
+	}
+
 	query.Set("version", strconv.FormatUint(version.Index, 10))
 
 	resp, err := cli.post(ctx, "/services/"+serviceID+"/update", query, service, headers)