diff --git a/src/lib.rs b/src/lib.rs
index 4790e08..3c15b19 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 #![no_std]
+#![forbid(unsafe_code)]
 
 #[macro_export]
 macro_rules! impl_mirrored {