diff --git a/README.md b/README.md
index f41611bd..76b1ba9e 100644
--- a/README.md
+++ b/README.md
@@ -374,7 +374,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [pin2t/aoc2021](https://github.com/pin2t/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [pvainio/adventofcode](https://github.com/pvainio/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
 * [ridaamirini/advent-of-code](https://github.com/ridaamirini/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
-* [shytikov/advent-of-go](https://github.com/shytikov/advent-of-go) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
+* [shytikov/advent-of-go](https://github.com/shytikov/advent-of-go) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [stscoundrel/advent-of-code-2021](https://github.com/stscoundrel/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 
 #### Groovy
@@ -448,7 +448,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [akaritakai/AdventOfCode2021](https://github.com/akaritakai/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--22-brightgreen)
 * [akbence/adventofcode](https://github.com/akbence/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 * [amalagraba/adventofcode-2021](https://github.com/amalagraba/adventofcode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
-* [jerchende/advent-of-code-2021](https://github.com/jerchende/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
+* [jerchende/advent-of-code-2021](https://github.com/jerchende/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [nsirons/programming-puzzles](https://github.com/nsirons/programming-puzzles) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [pin2t/aoc2021](https://github.com/pin2t/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [pvainio/adventofcode](https://github.com/pvainio/adventofcode) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--27-brightgreen)
@@ -596,7 +596,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 *Solutions to AoC in Python.*
 
-* [AnandSunderrajan/Advent-of-Code-2021](https://github.com/AnandSunderrajan/advent-of-code-2021)
+* [AnandSunderrajan/Advent-of-Code-2021](https://github.com/AnandSunderrajan/Advent-of-Code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--02-brightgreen)
 * [AkaruiYami/AdventOfCode-2021](https://github.com/AkaruiYami/AdventOfCode-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
 * [Akumatic/Advent-of-Code](https://github.com/Akumatic/Advent-of-Code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--25-brightgreen)
 * [Arrezz/AdventOfCode2021](https://github.com/Arrezz/AdventOfCode2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--13-brightgreen)
@@ -731,7 +731,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 * [believer/advent-of-code](https://github.com/believer/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--21-brightgreen)
 * [dominikstanojevic/advent-of-code-2021](https://github.com/dominikstanojevic/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--17-brightgreen)
 * [fee1-dead/aoc](https://github.com/fee1-dead/aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--11-brightgreen)
-* [fspoettel/advent-of-code-2021](https://github.com/fspoettel/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)
+* [fspoettel/advent-of-code-2021](https://github.com/fspoettel/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--28-brightgreen)
 * [ga-paul-t/advent-of-code-2021](https://github.com/ga-paul-t/advent-of-code-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--23-brightgreen)
 * [hashedone/aoc2021](https://github.com/hashedone/aoc2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--14-brightgreen)
 * [jakeledoux/advent](https://github.com/jakeledoux/advent) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--26-brightgreen)