diff --git a/go/obsclient/authclient.go b/go/obsclient/authclient.go
index a7ee70495c..46ab845e3f 100644
--- a/go/obsclient/authclient.go
+++ b/go/obsclient/authclient.go
@@ -8,6 +8,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth/filters"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ten-protocol/go-ten/go/common"
 	"github.com/ten-protocol/go-ten/go/common/viewingkey"
 	"github.com/ten-protocol/go-ten/go/responses"
@@ -190,7 +191,7 @@ func (ac *AuthObsClient) EstimateGasAndGasPrice(txData types.TxData) types.TxDat
 
 	gasPrice, err := ac.GasPrice(context.Background())
 	if err != nil {
-		gasPrice = big.NewInt(1)
+		gasPrice = big.NewInt(params.InitialBaseFee)
 	}
 
 	return &types.LegacyTx{
diff --git a/tools/hardhatdeployer/contract_deployer.go b/tools/hardhatdeployer/contract_deployer.go
index bc5c9b921b..cbb56c78d3 100644
--- a/tools/hardhatdeployer/contract_deployer.go
+++ b/tools/hardhatdeployer/contract_deployer.go
@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ten-protocol/go-ten/go/common/constants"
 	"github.com/ten-protocol/go-ten/go/common/retry"
 	"github.com/ten-protocol/go-ten/go/wallet"
@@ -91,8 +92,8 @@ func (cd *contractDeployer) run() (string, error) {
 
 	deployContractTx := types.LegacyTx{
 		Nonce:    cd.wallet.GetNonceAndIncrement(),
-		GasPrice: big.NewInt(1),
-		Gas:      uint64(5_000_000),
+		GasPrice: big.NewInt(params.InitialBaseFee),
+		Gas:      uint64(500_000_000),
 		Data:     cd.contractCode,
 	}