diff --git a/README.md b/README.md
index 36d0095..83cac19 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 ![GitHub License](https://img.shields.io/github/license/razterizer/Termin8or?color=blue)
 ![Static Badge](https://img.shields.io/badge/linkage-header_only-yellow)
+![Static Badge](https://img.shields.io/badge/C%2B%2B-20-yellow)
 
 [![build and test ubuntu](https://github.com/razterizer/Termin8or/actions/workflows/build-and-test-ubuntu.yml/badge.svg)](https://github.com/razterizer/Termin8or/actions/workflows/build-and-test-ubuntu.yml)