diff --git a/pallas-codec/src/utils.rs b/pallas-codec/src/utils.rs
index d8188aa..d75799b 100644
--- a/pallas-codec/src/utils.rs
+++ b/pallas-codec/src/utils.rs
@@ -751,7 +751,9 @@ impl From<Bytes> for String {
     }
 }
 
-#[derive(Serialize, Deserialize, Clone, Encode, Decode, Debug, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(
+    Serialize, Deserialize, Clone, Copy, Encode, Decode, Debug, PartialEq, Eq, PartialOrd, Ord,
+)]
 #[cbor(transparent)]
 #[serde(into = "i128")]
 #[serde(try_from = "i128")]