diff --git a/README.md b/README.md
index 501e04f3..4dacdfdc 100644
--- a/README.md
+++ b/README.md
@@ -523,6 +523,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [williamfhe/advent-of-code-2020](https://github.com/williamfhe/advent-of-code-2020) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--06-yellow)
 * [youngtrashbag/adventofcode](https://github.com/youngtrashbag/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--04-orange)
 * [zsacul/AdventOfCode2020](https://github.com/zsacul/AdventOfCode2020) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--06-yellow)
+* [sertsedat/advent-of-code](https://github.com/sertsedat/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--07-yellow)
 
 #### Smalltalk