diff --git a/crates/net/eth-wire-types/src/broadcast.rs b/crates/net/eth-wire-types/src/broadcast.rs
index ede52681f92a..95e9019c99b8 100644
--- a/crates/net/eth-wire-types/src/broadcast.rs
+++ b/crates/net/eth-wire-types/src/broadcast.rs
@@ -122,6 +122,7 @@ pub struct SharedTransactions<T = TransactionSigned>(
 
 /// A wrapper type for all different new pooled transaction types
 #[derive(Clone, Debug, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum NewPooledTransactionHashes {
     /// A list of transaction hashes valid for [66-68)
     Eth66(NewPooledTransactionHashes66),