diff --git a/README.md b/README.md
index b08f0190..dd9889f7 100644
--- a/README.md
+++ b/README.md
@@ -437,7 +437,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 
 *Solutions to AoC in Ruby.*
 
-* [damyvv/advent-of-code-2021](https://github.com/damyvv/advent-of-code-2021)
+* [damyvv/advent-of-code-2021](https://github.com/damyvv/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--01-red)
 
 #### Rust