1 files changed, 1 insertions, 0 deletions

diff --git a/go.work b/go.work
index 5770ef4..37b9da4 100644
--- a/go.work
+++ b/go.work
@@ -13,6 +13,7 @@ use (
 	./day18
 	./day19
 	./day20
+	./day21
 	./day2
 	./day3
 	./day4