diff --git a/src/main.rs b/src/main.rs
index 5c75958..ec2a2d5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+#[deny(unsafe_code)]
 #[macro_use]
 extern crate clap;
 #[macro_use]