diff --git a/README.md b/README.md
index e055d04d..6f5cf970 100644
--- a/README.md
+++ b/README.md
@@ -394,6 +394,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [prikhi/advent-of-code-2021](https://github.com/prikhi/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--16-brightgreen)
 * [shepherdjerred/advent-of-code-2021](https://github.com/shepherdjerred/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--13-brightgreen)
 * [sonowz/advent-of-code-haskell](https://github.com/sonowz/advent-of-code-haskell) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
+* [glguy/advent2021](https://github.com/glguy/advent2021)
 
 #### Haxe