diff --git a/Cargo.toml b/Cargo.toml
index 19f3208a..0a68bf8f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -68,6 +68,7 @@ noop_method_call = "warn"
 macro_use_extern_crate = "warn"
 redundant_imports = "warn"
 redundant_lifetimes = "warn"
+trivial_numeric_casts = "warn"
 # missing_docs = "warn" # TODO: NOTE(@CBenoit): we probably want to ensure this in core tier crates only
 
 # == Compile-time / optimization == #