diff --git a/README.md b/README.md
index d6c3b9fe..c1dbe6d1 100644
--- a/README.md
+++ b/README.md
@@ -449,7 +449,7 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 *Solutions to AoC in J.*
 
-* [jitwit/aoc](https://github.com/jitwit/aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--15-brightgreen)
+* [jitwit/aoc](https://github.com/jitwit/aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2023--12--31-brightgreen)
 
 #### Java