diff --git a/README.md b/README.md
index c8968f76..6e4c2446 100644
--- a/README.md
+++ b/README.md
@@ -459,6 +459,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
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 * [RussellDash332/aoc-2021](https://github.com/RussellDash332/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
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+* [mattjlewis/AdventOfCode2021](https://github.com/mattjlewis/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2022--01--04-brightgreen)
 
 #### JavaScript