diff --git a/README.md b/README.md
index 3c269c19..7b2fe9b5 100644
--- a/README.md
+++ b/README.md
@@ -449,6 +449,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 *Solutions to AoC in Rust.*
 
 * [Hydrazer/advent-of-code](https://github.com/Hydrazer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--02-red)
+* [sergree/aoc2021](https://github.com/sergree/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--02-red)
 * [agubelu/Advent-of-Code-2021](https://github.com/agubelu/Advent-of-Code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--01-brightgreen)
 * [believer/advent-of-code](https://github.com/believer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--01-brightgreen)
 * [hashedone/aoc2021](https://github.com/hashedone/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--01-brightgreen)