diff --git a/src/lib.rs b/src/lib.rs
index 90fef1a..8136998 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
 #![cfg_attr(feature = "default", doc = include_str!("../README.md"))]
 #![cfg_attr(not(feature = "std"), no_std)]
+#![forbid(unsafe_code)]
 #![deny(clippy::all, clippy::pedantic)]
 #![allow(clippy::missing_errors_doc, clippy::module_name_repetitions)]