diff --git a/rust/derive/src/lib.rs b/rust/derive/src/lib.rs
index bdf2da2dcb..ea314f51f6 100644
--- a/rust/derive/src/lib.rs
+++ b/rust/derive/src/lib.rs
@@ -15,6 +15,7 @@
  * 02110-1301, USA.
  */
 
+#![deny(warnings)]
 #![allow(clippy::uninlined_format_args)]
 
 extern crate proc_macro;