diff --git a/starknet-crypto/src/lib.rs b/starknet-crypto/src/lib.rs
index 16470b64..47b7db8b 100644
--- a/starknet-crypto/src/lib.rs
+++ b/starknet-crypto/src/lib.rs
@@ -1,6 +1,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![doc = include_str!("../README.md")]
 
+#[allow(unused_extern_crates)]
 #[cfg(all(not(feature = "std"), any(test, feature = "alloc")))]
 extern crate alloc;