diff --git a/README.md b/README.md
index 1c0d4a5..671f067 100644
--- a/README.md
+++ b/README.md
@@ -28,4 +28,7 @@ I'll probably try to vary languages a bit to get some variety.
 ### [Day 5](day5/)
 **Language**: Kotlin
 
-**Note**: Here begin the optimisations! (some people got away with brute force, I decided not to even go there).
\ No newline at end of file
+**Note**: Here begin the optimisations! (some people got away with brute force, I decided not to even go there).
+
+### [Day 6](day6/)
+**Language**: Haskell
\ No newline at end of file