diff --git a/client_config.go b/client_config.go
index 7e5abe5..6abc7ef 100644
--- a/client_config.go
+++ b/client_config.go
@@ -31,6 +31,12 @@ func DefaultClientConfig() *ClientConfig {
 	}
 }
 
+func WithClientServerAddress(addr string) ClientConfigFunc {
+	return func(conf *ClientConfig) {
+		conf.ServerAddress = addr
+	}
+}
+
 func WithClientCredentials(credentials interface{}) ClientConfigFunc {
 	return func(conf *ClientConfig) {
 		conf.Credentials = credentials
diff --git a/server_config.go b/server_config.go
index e4113f7..f1267be 100644
--- a/server_config.go
+++ b/server_config.go
@@ -37,6 +37,12 @@ func DefaultServerConfig() *ServerConfig {
 
 type ServerConfigFunc func(c *ServerConfig)
 
+func WithServerAddress(address string) ServerConfigFunc {
+	return func(conf *ServerConfig) {
+		conf.Address = address
+	}
+}
+
 func WithServerAESBlockCrypt(pass, salt string) ServerConfigFunc {
 	return func(conf *ServerConfig) {
 		key := pbkdf2.Key([]byte(pass), []byte(salt), 1024, 32, sha1.New)