diff --git a/src/lib.rs b/src/lib.rs
index baa1c66a..b7fcaf2e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -116,7 +116,7 @@
 //! ```
 
 #![doc(html_root_url = "https://docs.rs/serde_yaml/0.9.28")]
-#![deny(missing_docs)]
+#![deny(missing_docs, unsafe_op_in_unsafe_fn)]
 // Suppressed clippy_pedantic lints
 #![allow(
     // buggy