diff --git a/src/lib.rs b/src/lib.rs
index 6bd7dfe..51f61d4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,6 +15,7 @@ pub mod day14;
 pub mod day15;
 pub mod day16;
 pub mod day17;
+pub mod day18;
 pub mod day19;
 pub mod day21;
 pub mod day22;
diff --git a/src/main.rs b/src/main.rs
index 0c78939..8fd22d1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,6 +29,7 @@ fn main() {
         (23, day23::day_main),
         (24, day24::day_main),
         (25, day25::day_main),
+        (18, day18::day_main),
         // PLACEHOLDER
     ]);
     let day: Option<u8> = args().nth(1).and_then(|a| a.parse().ok());