diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 222af17..ce02416 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -94,7 +94,7 @@ unnecessary_safety_doc = "warn"
 unnecessary_self_imports = "warn"
 unneeded_field_pattern = "warn"
 unreachable = "warn"
-unseparated_literal_suffix = "warn"
+separated_literal_suffix = "warn"
 unused_result_ok = "warn"
 unused_trait_names = "warn"
 unwrap_in_result = "warn"