diff --git a/README.md b/README.md
index c8034d21..4120b2dd 100644
--- a/README.md
+++ b/README.md
@@ -395,7 +395,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [MichalFikejs/AdventOfCode23](https://github.com/MichalFikejs/AdventOfCode23) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--09-brightgreen)
 * [OscarBrugne/AdventOfCode](https://github.com/OscarBrugne/AdventOfCode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--19-brightgreen)
 * [S-ecki/AdventOfCode_2023](https://github.com/S-ecki/AdventOfCode_2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--17-brightgreen)
-* [believer/advent-of-code](https://github.com/believer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--19-brightgreen)
+* [believer/advent-of-code](https://github.com/believer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--20-brightgreen)
 * [devries/advent_of_code_2023](https://github.com/devries/advent_of_code_2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--20-brightgreen)
 * [iusetabs/advent-of-code-23-go](https://github.com/iusetabs/advent-of-code-23-go) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--04-brightgreen)
 * [jthomaschewski/advent-of-code](https://github.com/jthomaschewski/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--10-brightgreen)
@@ -560,7 +560,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 * [anrighi/AdventOfCode2023](https://github.com/anrighi/AdventOfCode2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--08-brightgreen)
 * [jvancoillie/advent-of-code](https://github.com/jvancoillie/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--20-brightgreen)
-* [tbali0524/advent-of-code-solutions](https://github.com/tbali0524/advent-of-code-solutions) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--19-brightgreen)
+* [tbali0524/advent-of-code-solutions](https://github.com/tbali0524/advent-of-code-solutions) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--20-brightgreen)
 
 #### Perl
 
@@ -699,7 +699,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [Martinif/adventofcode2023](https://github.com/Martinif/adventofcode2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--04-brightgreen)
 * [MrRobb/advent-of-code-2023](https://github.com/MrRobb/advent-of-code-2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--11-brightgreen)
 * [akaritakai/AdventOfCode2023](https://github.com/akaritakai/AdventOfCode2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--20-brightgreen)
-* [believer/advent-of-code](https://github.com/believer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--19-brightgreen)
+* [believer/advent-of-code](https://github.com/believer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--20-brightgreen)
 * [chrismandery/advent-of-code-2023](https://github.com/chrismandery/advent-of-code-2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--19-brightgreen)
 * [debechu/aoc2023](https://github.com/debechu/aoc2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--11-brightgreen)
 * [dellink/advent-of-code](https://github.com/dellink/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--13-brightgreen)