diff --git a/src/lib.rs b/src/lib.rs
index 146b3881..139f3413 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 #![deny(trivial_casts, trivial_numeric_casts, rust_2018_idioms)]
+#![forbid(unsafe_code)]
 
 pub mod blocks;
 pub mod decoding;