diff --git a/src/bin/bat/main.rs b/src/bin/bat/main.rs
index 1f4f6e37..891aace8 100644
--- a/src/bin/bat/main.rs
+++ b/src/bin/bat/main.rs
@@ -1,3 +1,5 @@
+#![deny(unsafe_code)]
+
 mod app;
 mod assets;
 mod clap_app;
diff --git a/src/lib.rs b/src/lib.rs
index 86bb5804..02e1fefc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,6 +19,8 @@
 //!     .unwrap();
 //! ```
 
+#![deny(unsafe_code)]
+
 mod macros;
 
 pub mod assets;