diff --git a/internal/2025/register.go b/internal/2025/register.go
index c2778c6..6be2fed 100644
--- a/internal/2025/register.go
+++ b/internal/2025/register.go
@@ -11,5 +11,6 @@ import (
 	_ "advent-of-code/internal/2025/DaySix"
 	_ "advent-of-code/internal/2025/DayTen"
 	_ "advent-of-code/internal/2025/DayThree"
+	_ "advent-of-code/internal/2025/DayTwelve"
 	_ "advent-of-code/internal/2025/DayTwo"
 )