diff --git a/src/main.rs b/src/main.rs
index 8eb8cea..2aa721e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+#![forbid(unsafe_code)]
+
 use qrcode::QrCode;
 use image::{Luma, png::PngEncoder};
 use urlencoding::decode;