diff --git a/README.md b/README.md
index 1589302e..b3a7723b 100644
--- a/README.md
+++ b/README.md
@@ -67,4 +67,6 @@ A solution proposal will be published here every day during the `Advent Of Craft
 - [Day 9: Fix the code.](solution/day09/docs/step-by-step.md)
 - [Day 10: Dot not use "if" statement.](solution/day10/docs/step-by-step.md)
 - [Day 11: Gather a dependency freshness metric.](solution/day11/docs/step-by-step.md)
-- [Day 12: Make your code open for extension.](solution/day12/docs/step-by-step.md)
\ No newline at end of file
+- [Day 12: Make your code open for extension.](solution/day12/docs/step-by-step.md)
+
+  ## Contributors