diff --git a/src/main.rs b/src/main.rs
index ff6ce26..ee851e2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 #![no_std]
 #![no_main]
+#![deny(warnings, unused)]
 
 #[allow(unused_extern_crates)]
 #[cfg(not(feature = "semihosting"))]