diff --git a/beacon/engine/gen_epe.go b/beacon/engine/gen_epe.go
index 664a50fc5b..e69f9a5951 100644
--- a/beacon/engine/gen_epe.go
+++ b/beacon/engine/gen_epe.go
@@ -18,11 +18,13 @@ func (e ExecutionPayloadEnvelope) MarshalJSON() ([]byte, error) {
 		ExecutionPayload *ExecutableData `json:"executionPayload"  gencodec:"required"`
 		BlockValue       *hexutil.Big    `json:"blockValue"  gencodec:"required"`
 		BlobsBundle      *BlobsBundleV1  `json:"blobsBundle"`
+		Override         bool            `json:"shouldOverrideBuilder"`
 	}
 	var enc ExecutionPayloadEnvelope
 	enc.ExecutionPayload = e.ExecutionPayload
 	enc.BlockValue = (*hexutil.Big)(e.BlockValue)
 	enc.BlobsBundle = e.BlobsBundle
+	enc.Override = e.Override
 	return json.Marshal(&enc)
 }
 
@@ -32,6 +34,7 @@ func (e *ExecutionPayloadEnvelope) UnmarshalJSON(input []byte) error {
 		ExecutionPayload *ExecutableData `json:"executionPayload"  gencodec:"required"`
 		BlockValue       *hexutil.Big    `json:"blockValue"  gencodec:"required"`
 		BlobsBundle      *BlobsBundleV1  `json:"blobsBundle"`
+		Override         *bool           `json:"shouldOverrideBuilder"`
 	}
 	var dec ExecutionPayloadEnvelope
 	if err := json.Unmarshal(input, &dec); err != nil {
@@ -48,5 +51,8 @@ func (e *ExecutionPayloadEnvelope) UnmarshalJSON(input []byte) error {
 	if dec.BlobsBundle != nil {
 		e.BlobsBundle = dec.BlobsBundle
 	}
+	if dec.Override != nil {
+		e.Override = *dec.Override
+	}
 	return nil
 }
diff --git a/beacon/engine/types.go b/beacon/engine/types.go
index 2c21b4a85d..67f30d4455 100644
--- a/beacon/engine/types.go
+++ b/beacon/engine/types.go
@@ -86,6 +86,7 @@ type ExecutionPayloadEnvelope struct {
 	ExecutionPayload *ExecutableData `json:"executionPayload"  gencodec:"required"`
 	BlockValue       *big.Int        `json:"blockValue"  gencodec:"required"`
 	BlobsBundle      *BlobsBundleV1  `json:"blobsBundle"`
+	Override         bool            `json:"shouldOverrideBuilder"`
 }
 
 type BlobsBundleV1 struct {
@@ -269,7 +270,7 @@ func BlockToExecutableData(block *types.Block, fees *big.Int, sidecars []*types.
 			bundle.Proofs = append(bundle.Proofs, hexutil.Bytes(sidecar.Proofs[j][:]))
 		}
 	}
-	return &ExecutionPayloadEnvelope{ExecutionPayload: data, BlockValue: fees, BlobsBundle: &bundle}
+	return &ExecutionPayloadEnvelope{ExecutionPayload: data, BlockValue: fees, BlobsBundle: &bundle, Override: false}
 }
 
 // ExecutionPayloadBodyV1 is used in the response to GetPayloadBodiesByHashV1 and GetPayloadBodiesByRangeV1