diff --git a/day11/Cargo.toml b/day11/Cargo.toml
index 4bd62d4..dec06ce 100644
--- a/day11/Cargo.toml
+++ b/day11/Cargo.toml
@@ -5,3 +5,6 @@ edition = "2024"
 
 [dependencies]
 itertools = "*"
+
+[profile.release]
+lto = "fat"