diff --git a/README.md b/README.md
index 1ae4f499..3182a779 100644
--- a/README.md
+++ b/README.md
@@ -370,7 +370,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [The-Self-Taught-Software-Engineer/advent-of-code-2021](https://github.com/The-Self-Taught-Software-Engineer/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 * [agrison/advent-of-code](https://github.com/agrison/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 * [edgars-supe/advent-of-code](https://github.com/edgars-supe/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--03-brightgreen)
-* [hughjdavey/aoc-2021](https://github.com/hughjdavey/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--03-brightgreen)
+* [hughjdavey/aoc-2021](https://github.com/hughjdavey/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 * [marc-bouvier-katas/Kotlin_EduTools_Advent_of_Code_2021](https://github.com/marc-bouvier-katas/Kotlin_EduTools_Advent_of_Code_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--03-brightgreen)
 * [matios13/advent_of_code](https://github.com/matios13/advent_of_code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--02-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--04-brightgreen)
@@ -519,7 +519,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [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--04-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--02-brightgreen)
 * [hashedone/aoc2021](https://github.com/hashedone/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
-* [martinxxd/adventofcode-2021-rust](https://github.com/martinxxd/adventofcode-2021-rust) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--01-brightgreen)
+* [martinxxd/adventofcode-2021-rust](https://github.com/martinxxd/adventofcode-2021-rust) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 * [mayjs/advent_of_code_2021](https://github.com/mayjs/advent_of_code_2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 * [megatank58/adventofcode](https://github.com/megatank58/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--03-brightgreen)
 * [nickyvanurk/advent-of-code](https://github.com/nickyvanurk/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
@@ -531,7 +531,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [snxk/adventofcode-2021](https://github.com/snxk/adventofcode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--03-brightgreen)
 * [varunmehrishi/AdventOfCode2021](https://github.com/varunmehrishi/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 * [yeurch/advent-of-code](https://github.com/yeurch/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
-* [zsacul/AdventOfCode2021](https://github.com/zsacul/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--03-brightgreen)
+* [zsacul/AdventOfCode2021](https://github.com/zsacul/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--04-brightgreen)
 
 #### Smalltalk