diff --git a/README.md b/README.md
index ad40073..6e51366 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,6 @@ In a directory for a specific day,
 * To test: `zig build test`;
 * To run (assuming NuShell): `open sample.in | zig build run`;
 * To run (assuming bash): `zig build run < sample.in`.
+
+There are also some solutions in Scheme:
+https://oomza.cutegay.software/inga-lovinde/AdventOfCode-2023-functional