diff --git a/integration-tests/contracts/contract_models.go b/integration-tests/contracts/contract_models.go
index 7bcddceae5e..6e600cb8a6d 100644
--- a/integration-tests/contracts/contract_models.go
+++ b/integration-tests/contracts/contract_models.go
@@ -375,6 +375,6 @@ type MercuryVerifier interface {
 
 type MercuryVerifierProxy interface {
 	Address() string
-	Verify(signedReport []byte, value *big.Int) (*types.Transaction, error)
-	VerifyBulk(signedReports [][]byte, value *big.Int) (*types.Transaction, error)
+	Verify(signedReport []byte, feePayload []byte, value *big.Int) (*types.Transaction, error)
+	VerifyBulk(signedReports [][]byte, feePayload []byte, value *big.Int) (*types.Transaction, error)
 }
diff --git a/integration-tests/contracts/ethereum_contracts.go b/integration-tests/contracts/ethereum_contracts.go
index 763faecace7..f456e6f0db8 100644
--- a/integration-tests/contracts/ethereum_contracts.go
+++ b/integration-tests/contracts/ethereum_contracts.go
@@ -2257,7 +2257,7 @@ func (e *EthereumMercuryVerifier) Address() string {
 	return e.address.Hex()
 }
 
-func (e *EthereumMercuryVerifier) Verify(signedReport []byte, sender common.Address) error {
+func (e *EthereumMercuryVerifier) Verify(signedReport []byte, feePayload []byte, sender common.Address) error {
 	opts, err := e.client.TransactionOpts(e.client.GetDefaultWallet())
 	if err != nil {
 		return err
@@ -2279,7 +2279,7 @@ func (e *EthereumMercuryVerifierProxy) Address() string {
 	return e.address.Hex()
 }
 
-func (e *EthereumMercuryVerifierProxy) Verify(signedReport []byte, value *big.Int) (*types.Transaction, error) {
+func (e *EthereumMercuryVerifierProxy) Verify(signedReport []byte, feePayload []byte, value *big.Int) (*types.Transaction, error) {
 	opts, err := e.client.TransactionOpts(e.client.GetDefaultWallet())
 	if value != nil {
 		opts.Value = value
@@ -2287,14 +2287,14 @@ func (e *EthereumMercuryVerifierProxy) Verify(signedReport []byte, value *big.In
 	if err != nil {
 		return nil, err
 	}
-	tx, err := e.instance.Verify(opts, signedReport)
+	tx, err := e.instance.Verify(opts, feePayload, signedReport)
 	if err != nil {
 		return nil, err
 	}
 	return tx, e.client.ProcessTransaction(tx)
 }
 
-func (e *EthereumMercuryVerifierProxy) VerifyBulk(signedReports [][]byte, value *big.Int) (*types.Transaction, error) {
+func (e *EthereumMercuryVerifierProxy) VerifyBulk(signedReports [][]byte, feePayload []byte, value *big.Int) (*types.Transaction, error) {
 	opts, err := e.client.TransactionOpts(e.client.GetDefaultWallet())
 	if value != nil {
 		opts.Value = value
@@ -2302,7 +2302,7 @@ func (e *EthereumMercuryVerifierProxy) VerifyBulk(signedReports [][]byte, value
 	if err != nil {
 		return nil, err
 	}
-	tx, err := e.instance.VerifyBulk(opts, signedReports)
+	tx, err := e.instance.VerifyBulk(opts, signedReports, feePayload)
 	if err != nil {
 		return nil, err
 	}