diff --git a/crates/emath/src/lib.rs b/crates/emath/src/lib.rs
index f5990d8f..7652252f 100644
--- a/crates/emath/src/lib.rs
+++ b/crates/emath/src/lib.rs
@@ -242,9 +242,11 @@ fn test_remap() {
 /// Extends `f32`, [`Vec2`] etc with `at_least` and `at_most` as aliases for `max` and `min`.
 pub trait NumExt {
     /// More readable version of `self.max(lower_limit)`
+    #[must_use]
     fn at_least(self, lower_limit: Self) -> Self;
 
     /// More readable version of `self.min(upper_limit)`
+    #[must_use]
     fn at_most(self, upper_limit: Self) -> Self;
 }