diff --git a/src/main.rs b/src/main.rs
index 812ec7c..48e1310 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+#![feature(box_syntax)]
+
 use clap::Parser;
 use std::fs;
 use std::time::Instant;