diff --git a/README.md b/README.md
index 38ea25b1..181f2067 100644
--- a/README.md
+++ b/README.md
@@ -790,7 +790,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 *Solutions to AoC in the TypeScript type system.*
 
-* [Rugvip/aoc-2023](https://github.com/Rugvip/aoc-2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--28-brightgreen)
+* [Rugvip/aoc-2023](https://github.com/Rugvip/aoc-2023) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--31-brightgreen)
 
 #### Unison