diff --git a/config/config.go b/config/config.go
index 3d7b7ae..bb95129 100644
--- a/config/config.go
+++ b/config/config.go
@@ -103,3 +103,12 @@ func NewConfig(logger *zap.Logger) *Config {
 
 	return c
 }
+
+func SaveConfig(cfg *Config) error {
+	err := viper.Unmarshal(cfg)
+	if err != nil {
+		return err
+	}
+
+	return viper.WriteConfig()
+}