diff --git a/src/lib.rs b/src/lib.rs
index 13c08cb..2bb408b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -69,6 +69,8 @@ that this copyright notice remain intact.
 //! let color_map = nq.color_map_rgba();
 //! ```
 
+#![forbid(unsafe_code)]
+
 mod math;
 use crate::math::clamp;