diff --git a/crates/rpc-types-beacon/src/payload.rs b/crates/rpc-types-beacon/src/payload.rs
index 511e478251c..88d3f573289 100644
--- a/crates/rpc-types-beacon/src/payload.rs
+++ b/crates/rpc-types-beacon/src/payload.rs
@@ -13,7 +13,7 @@ use alloy_eips::{
     eip4895::Withdrawal, eip6110::DepositRequest, eip7002::WithdrawalRequest,
     eip7251::ConsolidationRequest,
 };
-use alloy_primitives::{Address, Bloom, Bytes, B256, U256};
+use alloy_primitives::{Address, Bloom, Bytes, B256, B64, U256};
 use alloy_rpc_types_engine::{
     ExecutionPayload, ExecutionPayloadV1, ExecutionPayloadV2, ExecutionPayloadV3,
     ExecutionPayloadV4,
@@ -361,22 +361,36 @@ struct BeaconExecutionPayloadV3<'a> {
     blob_gas_used: u64,
     #[serde_as(as = "DisplayFromStr")]
     excess_blob_gas: u64,
+    #[serde_as(as = "DisplayFromStr")]
+    eip_1559_params: B64,
 }
 
 impl<'a> From<BeaconExecutionPayloadV3<'a>> for ExecutionPayloadV3 {
     fn from(payload: BeaconExecutionPayloadV3<'a>) -> Self {
-        let BeaconExecutionPayloadV3 { payload_inner, blob_gas_used, excess_blob_gas } = payload;
-        Self { payload_inner: payload_inner.into(), blob_gas_used, excess_blob_gas }
+        let BeaconExecutionPayloadV3 {
+            payload_inner,
+            blob_gas_used,
+            excess_blob_gas,
+            eip_1559_params,
+        } = payload;
+        Self {
+            payload_inner: payload_inner.into(),
+            blob_gas_used,
+            excess_blob_gas,
+            eip_1559_params,
+        }
     }
 }
 
 impl<'a> From<&'a ExecutionPayloadV3> for BeaconExecutionPayloadV3<'a> {
     fn from(value: &'a ExecutionPayloadV3) -> Self {
-        let ExecutionPayloadV3 { payload_inner, blob_gas_used, excess_blob_gas } = value;
+        let ExecutionPayloadV3 { payload_inner, blob_gas_used, excess_blob_gas, eip_1559_params } =
+            value;
         BeaconExecutionPayloadV3 {
             payload_inner: payload_inner.into(),
             blob_gas_used: *blob_gas_used,
             excess_blob_gas: *excess_blob_gas,
+            eip_1559_params: eip_1559_params.clone(),
         }
     }
 }
diff --git a/crates/rpc-types-engine/src/payload.rs b/crates/rpc-types-engine/src/payload.rs
index faa00b4af97..7c5b682d42b 100644
--- a/crates/rpc-types-engine/src/payload.rs
+++ b/crates/rpc-types-engine/src/payload.rs
@@ -332,6 +332,8 @@ pub struct ExecutionPayloadV3 {
     /// See <https://github.com/ethereum/execution-apis/blob/fe8e13c288c592ec154ce25c534e26cb7ce0530d/src/engine/cancun.md#ExecutionPayloadV3>
     #[cfg_attr(feature = "serde", serde(with = "alloy_serde::quantity"))]
     pub excess_blob_gas: u64,
+    /// Array of hex[`u64`] representing the EIP-1559 parameters, enabled with V3
+    pub eip_1559_params: B64,
 }
 
 impl ExecutionPayloadV3 {
@@ -397,6 +399,7 @@ impl ssz::Decode for ExecutionPayloadV3 {
             },
             blob_gas_used: decoder.decode_next()?,
             excess_blob_gas: decoder.decode_next()?,
+            eip_1559_params: decoder.decode_next()?,
         })
     }
 }
@@ -538,6 +541,7 @@ impl ssz::Decode for ExecutionPayloadV4 {
                 },
                 blob_gas_used: decoder.decode_next()?,
                 excess_blob_gas: decoder.decode_next()?,
+                eip_1559_params: decoder.decode_next()?,
             },
             deposit_requests: decoder.decode_next()?,
             withdrawal_requests: decoder.decode_next()?,