diff --git a/README.md b/README.md
index f4f2c52..0ea7500 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Go Sally MVP (Minimum/Minimal Viable Product)
 [![Status](https://img.shields.io/badge/status-MVP-orange.svg)]()
 [![Go Version](https://img.shields.io/badge/Go-1.24.6-informational)](https://go.dev/)
+[![Lua Version](https://img.shields.io/badge/Lua-5.1-informational)](https://www.lua.org/manual/5.1/)
 [![Go Reference](https://pkg.go.dev/badge/github.com/akyaiy/GoSally-mvp.svg)](https://pkg.go.dev/github.com/akyaiy/GoSally-mvp)
 [![License](https://img.shields.io/badge/license-BSD--3--Clause-blue)](LICENSE)