diff --git a/cmd/twister/config.toml b/cmd/twister/config.toml
index e69de29..881bbe6 100644
--- a/cmd/twister/config.toml
+++ b/cmd/twister/config.toml
@@ -0,0 +1,2 @@
+[server]
+address = "127.0.0.1:8000"
diff --git a/cmd/twister/main.go b/cmd/twister/main.go
index 307b118..021c70e 100644
--- a/cmd/twister/main.go
+++ b/cmd/twister/main.go
@@ -11,7 +11,7 @@ var (
 	//go:embed config.toml
 	content []byte
 
-	version = "0.1.0"
+	version = "0.1.1"
 )
 
 func main() {
diff --git a/config/config.go b/config/config.go
index 75e4f02..af4db26 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,6 +1,12 @@
 package config
 
-// Config is a configuration
+// Configuration
 type Config struct {
 	Version string
+	*Server `toml:"server"`
+}
+
+// Server config
+type Server struct {
+	Address string
 }