diff --git a/README.md b/README.md
index 652c594b..0412474d 100644
--- a/README.md
+++ b/README.md
@@ -466,6 +466,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [sanderploegsma/advent-of-code](https://github.com/sanderploegsma/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--11-brightgreen)
 * [tchojnacki/advent-of-code-2021-kotlin](https://github.com/tchojnacki/advent-of-code-2021-kotlin) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--09-brightgreen)
 * [zakmat/AdventOfCode2021](https://github.com/zakmat/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--13-brightgreen)
+* [csj/advent-of-code-2021](https://github.com/csj/advent-of-code-2021)
 
 #### LDPL