diff --git a/README.md b/README.md
index b5708577..ec130035 100644
--- a/README.md
+++ b/README.md
@@ -235,7 +235,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [akaritakai/AdventOfCode2021-Csharp](https://github.com/akaritakai/AdventOfCode2021-Csharp) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 * [eduherminio/AoC2021](https://github.com/eduherminio/AoC2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 * [encse/adventofcode](https://github.com/encse/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
-* [norrbacka/aoc2021](https://github.com/norrbacka/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
+* [norrbacka/aoc2021](https://github.com/norrbacka/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [ntovas/AdventOfCode](https://github.com/ntovas/AdventOfCode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--08-brightgreen)
 * [viceroypenguin/adventofcode](https://github.com/viceroypenguin/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [vladsm/adventofcode-2021-dotnet](https://github.com/vladsm/adventofcode-2021-dotnet) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
@@ -439,7 +439,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [ald890/advent-of-code](https://github.com/ald890/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--10-brightgreen)
 * [carpusherw/advent-of-code-2021](https://gist.github.com/carpusherw/96e394180194a17d57a47562ca90251b)
 * [chinesedfan/adventofcode](https://github.com/chinesedfan/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--12-brightgreen)
-* [eli6/advent-of-code](https://github.com/eli6/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
+* [eli6/advent-of-code](https://github.com/eli6/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [janfabian/adventofcode](https://github.com/janfabian/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--13-brightgreen)
 * [joaomlneto/advent-of-code](https://github.com/joaomlneto/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 * [thejan14/adventofcode2021](https://github.com/thejan14/adventofcode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
@@ -489,7 +489,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [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) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
 * [lucifer1004/AoC](https://github.com/lucifer1004/AoC) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
-* [underwindfall/advent-of-code-2021](https://github.com/underwindfall/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--15-brightgreen)
+* [underwindfall/advent-of-code-2021](https://github.com/underwindfall/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 
 #### LDPL