diff --git a/packages/common/src/types/web3-lib-adapter.ts b/packages/common/src/types/web3-lib-adapter.ts
index b490aaffb..ad51ae57d 100644
--- a/packages/common/src/types/web3-lib-adapter.ts
+++ b/packages/common/src/types/web3-lib-adapter.ts
@@ -17,6 +17,7 @@ export type TransactionRequest = Partial<{
 
 export type TransactionResponse = {
   hash: string;
+  nonce?: number;
   wait: (confirmations?: number) => Promise<TransactionReceipt>;
 };
 
diff --git a/packages/core-sdk/src/accounts/handler.ts b/packages/core-sdk/src/accounts/handler.ts
index fadd743b0..df4c247ab 100644
--- a/packages/core-sdk/src/accounts/handler.ts
+++ b/packages/core-sdk/src/accounts/handler.ts
@@ -1,7 +1,8 @@
 import {
   Web3LibAdapter,
   TransactionResponse,
-  utils
+  utils,
+  TransactionRequest
 } from "@bosonprotocol/common";
 import { BigNumberish } from "@ethersproject/bignumber";
 import { DisputeResolverFieldsFragment } from "../subgraph";
@@ -40,23 +41,31 @@ export async function createSeller(args: {
   });
 }
 
-export async function updateSeller(args: {
-  sellerUpdates: UpdateSellerArgs;
-  contractAddress: string;
-  web3Lib: Web3LibAdapter;
-}): Promise<TransactionResponse> {
+export async function updateSeller(
+  args: {
+    sellerUpdates: UpdateSellerArgs;
+    contractAddress: string;
+    web3Lib: Web3LibAdapter;
+  },
+  txParams: TransactionRequest = {}
+): Promise<TransactionResponse> {
   return args.web3Lib.sendTransaction({
+    ...txParams,
     to: args.contractAddress,
     data: encodeUpdateSeller(args.sellerUpdates)
   });
 }
 
-export async function optInToSellerUpdate(args: {
-  sellerUpdates: OptInToSellerUpdateArgs;
-  contractAddress: string;
-  web3Lib: Web3LibAdapter;
-}): Promise<TransactionResponse> {
+export async function optInToSellerUpdate(
+  args: {
+    sellerUpdates: OptInToSellerUpdateArgs;
+    contractAddress: string;
+    web3Lib: Web3LibAdapter;
+  },
+  txParams: TransactionRequest = {}
+): Promise<TransactionResponse> {
   return args.web3Lib.sendTransaction({
+    ...txParams,
     to: args.contractAddress,
     data: encodeOptInToSellerUpdate(args.sellerUpdates)
   });
diff --git a/packages/core-sdk/src/accounts/mixin.ts b/packages/core-sdk/src/accounts/mixin.ts
index 930968d93..2b5001660 100644
--- a/packages/core-sdk/src/accounts/mixin.ts
+++ b/packages/core-sdk/src/accounts/mixin.ts
@@ -2,7 +2,12 @@ import { BaseCoreSDK } from "./../mixins/base-core-sdk";
 import * as accounts from ".";
 import * as subgraph from "../subgraph";
 import * as erc721 from "../erc721";
-import { AuthTokenType, TransactionResponse, Log } from "@bosonprotocol/common";
+import {
+  AuthTokenType,
+  TransactionResponse,
+  Log,
+  TransactionRequest
+} from "@bosonprotocol/common";
 import { BigNumberish, BigNumber } from "@ethersproject/bignumber";
 import { AddressZero } from "@ethersproject/constants";
 import { offers, orchestration } from "..";
@@ -265,13 +270,17 @@ export class AccountsMixin extends BaseCoreSDK {
     sellerUpdates: accounts.UpdateSellerArgs,
     overrides: Partial<{
       contractAddress: string;
+      txParams: TransactionRequest;
     }> = {}
   ): Promise<TransactionResponse> {
-    return accounts.handler.updateSeller({
-      sellerUpdates,
-      web3Lib: this._web3Lib,
-      contractAddress: overrides.contractAddress || this._protocolDiamond
-    });
+    return accounts.handler.updateSeller(
+      {
+        sellerUpdates,
+        web3Lib: this._web3Lib,
+        contractAddress: overrides.contractAddress || this._protocolDiamond
+      },
+      overrides.txParams
+    );
   }
 
   /**
@@ -285,13 +294,17 @@ export class AccountsMixin extends BaseCoreSDK {
     sellerUpdates: accounts.OptInToSellerUpdateArgs,
     overrides: Partial<{
       contractAddress: string;
+      txParams: TransactionRequest;
     }> = {}
   ): Promise<TransactionResponse> {
-    return accounts.handler.optInToSellerUpdate({
-      sellerUpdates,
-      web3Lib: this._web3Lib,
-      contractAddress: overrides.contractAddress || this._protocolDiamond
-    });
+    return accounts.handler.optInToSellerUpdate(
+      {
+        sellerUpdates,
+        web3Lib: this._web3Lib,
+        contractAddress: overrides.contractAddress || this._protocolDiamond
+      },
+      overrides.txParams
+    );
   }
 
   /**
@@ -306,9 +319,14 @@ export class AccountsMixin extends BaseCoreSDK {
     sellerUpdates: accounts.UpdateSellerArgs,
     overrides: Partial<{
       contractAddress: string;
-    }> = {}
+      txParams: TransactionRequest;
+    }> = {},
+    updateSellerCallback?: (TransactionResponse) => void
   ): Promise<TransactionResponse> {
     const updateTx = await this.updateSeller(sellerUpdates, overrides);
+    if (updateSellerCallback) {
+      updateSellerCallback(updateTx);
+    }
     const txReceipt = await updateTx.wait();
     const pendingSellerUpdate = this.getPendingSellerUpdateFromLogs(
       txReceipt.logs
@@ -332,16 +350,19 @@ export class AccountsMixin extends BaseCoreSDK {
       fieldsToUpdate.admin ||
       fieldsToUpdate.authToken
     ) {
-      return this.optInToSellerUpdate({
-        id: sellerUpdates.id,
-        fieldsToUpdate: {
-          operator:
-            currentAccount === pendingSellerUpdate.operator.toLowerCase(),
-          clerk: currentAccount === pendingSellerUpdate.clerk.toLowerCase(),
-          admin: currentAccount === pendingSellerUpdate.admin.toLowerCase(),
-          authToken: pendingSellerUpdate.tokenType !== AuthTokenType.NONE
-        }
-      });
+      return this.optInToSellerUpdate(
+        {
+          id: sellerUpdates.id,
+          fieldsToUpdate: {
+            operator:
+              currentAccount === pendingSellerUpdate.operator.toLowerCase(),
+            clerk: currentAccount === pendingSellerUpdate.clerk.toLowerCase(),
+            admin: currentAccount === pendingSellerUpdate.admin.toLowerCase(),
+            authToken: pendingSellerUpdate.tokenType !== AuthTokenType.NONE
+          }
+        },
+        overrides
+      );
     }
     // If there is nothing to optIn from the current account, then return the response from updateSeller
     return updateTx;
diff --git a/packages/eth-connect-sdk/src/eth-connect-adapter.ts b/packages/eth-connect-sdk/src/eth-connect-adapter.ts
index 881f155a0..bd9b8a517 100644
--- a/packages/eth-connect-sdk/src/eth-connect-adapter.ts
+++ b/packages/eth-connect-sdk/src/eth-connect-adapter.ts
@@ -75,6 +75,7 @@ export class EthConnectAdapter implements Web3LibAdapter {
     EthConnectAdapter.receiptData.set(txHash, receiptData);
     return {
       hash: txHash,
+      nonce: transactionRequest.nonce,
       wait: async (confirmations?: number) => this._wait(txHash, receiptData)
     };
   }
diff --git a/scripts/update-seller.ts b/scripts/update-seller.ts
index e7ea7c0e6..a92961771 100644
--- a/scripts/update-seller.ts
+++ b/scripts/update-seller.ts
@@ -1,7 +1,7 @@
 import { AddressZero } from "@ethersproject/constants";
 import fs from "fs";
 import { EnvironmentType } from "@bosonprotocol/common/src/types/configs";
-import { providers, Contract, Wallet } from "ethers";
+import { providers, Contract, Wallet, utils } from "ethers";
 import { program } from "commander";
 import { getDefaultConfig, UpdateSellerArgs } from "@bosonprotocol/common/src";
 import { CoreSDK } from "../packages/core-sdk/src";
@@ -17,6 +17,9 @@ program
   )
   .option("-d, --data <SELLER_DATA>", "JSON file with the Seller parameters")
   .option("-e, --env <ENV_NAME>", "Target environment", "testing")
+  .option("--gasLimit <GAS_LIMIT>", "gas limit")
+  .option("--gasPrice <GAS_PRICE>", "gas price en gwei")
+  .option("--nonce <NONCE>", "gas price en gwei")
   .option("--id <SELLER_ID>", "SellerId")
   .option("--admin <ADMIN>", "New admin address")
   .option("--treasury <TREASURY>", "New treasury address")
@@ -40,6 +43,21 @@ async function main() {
   const web3Provider = new providers.JsonRpcProvider(defaultConfig.jsonRpcUrl);
   const sellerWallet = new Wallet(sellerPrivateKey);
 
+  let txParams;
+  if (opts.gasPrice || opts.gasLimit || opts.nonce) {
+    const nonce = opts.nonce ? parseInt(opts.nonce) : undefined;
+    if (nonce && isNaN(nonce)) {
+      throw `Invalid number value '${opts.nonce}' for 'nonce'`;
+    }
+    txParams = {
+      gasPrice: opts.gasPrice
+        ? utils.parseUnits(opts.gasPrice, "gwei")
+        : undefined,
+      gasLimit: opts.gasLimit ?? undefined,
+      nonce: nonce ?? undefined
+    };
+  }
+
   let sellerDataJson = {} as UpdateSellerArgs;
   if (opts.data) {
     const rawData = fs.readFileSync(opts.data);
@@ -143,8 +161,18 @@ async function main() {
   });
 
   console.log(`Updating seller on env ${envName} on chain ${chainId}...`);
-  const txResponse1 = await coreSDK.updateSellerAndOptIn(sellerDataJson);
-  console.log(`Tx hash: ${txResponse1.hash}`);
+  const txResponse1 = await coreSDK.updateSellerAndOptIn(
+    sellerDataJson,
+    {
+      txParams
+    },
+    (updateTx) => {
+      console.log(
+        `Update seller tx hash: ${updateTx.hash}, nonce: ${updateTx.nonce}`
+      );
+    }
+  );
+  console.log(`Tx hash: ${txResponse1.hash}, nonce: ${txResponse1.nonce}`);
   const txReceipt1 = await txResponse1.wait();
   const pendingSellerUpdate = coreSDK.getPendingSellerUpdateFromLogs(
     txReceipt1.logs
@@ -178,10 +206,15 @@ async function main() {
         )}`
       );
       txOptIns.push(
-        await optInSigner.sdk.optInToSellerUpdate({
-          id: sellerDataJson.id,
-          fieldsToUpdate: optInSigner.fields
-        })
+        await optInSigner.sdk.optInToSellerUpdate(
+          {
+            id: sellerDataJson.id,
+            fieldsToUpdate: optInSigner.fields
+          },
+          {
+            txParams
+          }
+        )
       );
     }
   }