diff --git a/README.md b/README.md
index e9957082..f94dc052 100644
--- a/README.md
+++ b/README.md
@@ -263,6 +263,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [ballpointcarrot/advent-of-code-2021](https://github.com/ballpointcarrot/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)
 * [edwardzhou/advent_code_2021](https://github.com/edwardzhou/advent_code_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)
 * [maco/advent_of_code](https://github.com/maco/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)
+* [MarcusCemes/advent-of-code-2021](https://github.com/MarcusCemes/advent-of-code-2021)
 * [memoriesadrift/AoC2021-Elixir](https://github.com/memoriesadrift/AoC2021-Elixir) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)
 * [sevenseacat/advent_of_code](https://github.com/sevenseacat/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)
 * [wasi0013/advent_of_code](https://github.com/wasi0013/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--06-brightgreen)