diff --git a/README.md b/README.md
index 2022f4ba..15ace334 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,7 @@ This is a collection of awesome resources related to the yearly
     * [SQL](#sql)
     * [Standard ML](#standard-ml)
     * [Swift](#swift)
+    * [Tcl/Tk](#tcltk)
     * [TypeScript](#typescript)
     * [TypeScript Types](#typescript-types)
     * [Unison](#unison)
@@ -649,6 +650,12 @@ Read [CONTRIBUTING.md](/.github/CONTRIBUTING.md) to learn how to add your own re
 
 * [gereons/AoC2024](https://github.com/gereons/AoC2024) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2024--12--04-brightgreen)
 
+#### Tcl/Tk
+
+*Solutions to AoC in Tcl/Tk*
+
+* [harkaitz/advent-of-code-2024-tcl](https://github.com/harkaitz/advent-of-code-2024-tcl) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2024--12--04-brightgreen)
+
 #### TypeScript
 
 *Solutions to AoC in TypeScript.*