diff --git a/package.json b/package.json
index f7fe6ba8a..8903551de 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,7 @@
     },
     "dependencies": {
         "@0x/assert": "^3.0.4",
-        "@0x/asset-swapper": "0xProject/gitpkg-registry#0x-asset-swapper-v4.5.0-a7cc1637d",
+        "@0x/asset-swapper": "0xProject/gitpkg-registry#0x-asset-swapper-v4.5.0-9a8139ce9",
         "@0x/connect": "^6.0.4",
         "@0x/contract-addresses": "0xProject/gitpkg-registry#0x-contract-addresses-v4.9.0-f14b6f2ba",
         "@0x/contract-wrappers": "0xProject/gitpkg-registry#0x-contract-wrappers-v13.6.3-f14b6f2ba",
diff --git a/src/config.ts b/src/config.ts
index 6df21f198..230084c01 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -6,6 +6,7 @@ import * as _ from 'lodash';
 import * as validateUUID from 'uuid-validate';
 
 import {
+    DEFAULT_ETH_GAS_STATION_API_URL,
     DEFAULT_EXPECTED_MINED_SEC,
     DEFAULT_FALLBACK_SLIPPAGE_PERCENTAGE,
     DEFAULT_LOCAL_POSTGRES_URI,
@@ -231,6 +232,11 @@ export const PROMETHEUS_PORT: number = _.isEmpty(process.env.PROMETHEUS_PORT)
     ? 8080
     : assertEnvVarType('PROMETHEUS_PORT', process.env.PROMETHEUS_PORT, EnvVarType.Port);
 
+// Eth Gas Station URL
+export const ETH_GAS_STATION_API_URL: string = _.isEmpty(process.env.ETH_GAS_STATION_API_URL)
+    ? DEFAULT_ETH_GAS_STATION_API_URL
+    : assertEnvVarType('ETH_GAS_STATION_API_URL', process.env.ETH_GAS_STATION_API_URL, EnvVarType.Url);
+
 // Max number of entities per page
 export const MAX_PER_PAGE = 1000;
 // Default ERC20 token precision
diff --git a/src/constants.ts b/src/constants.ts
index b3c8d87cb..ec77a4dee 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -56,7 +56,7 @@ export const SRA_DOCS_URL = 'https://0x.org/docs/api#sra';
 export const META_TRANSACTION_DOCS_URL = 'https://0x.org/docs/api#meta_transaction';
 
 // Meta Transactions
-export const ETH_GAS_STATION_API_URL = 'https://ethgasstation.api.0x.org/api/ethgasAPI.json';
+export const DEFAULT_ETH_GAS_STATION_API_URL = 'https://ethgasstation.api.0x.org/api/ethgasAPI.json';
 export const UNSTICKING_TRANSACTION_GAS_MULTIPLIER = 1.1;
 export const ETH_TRANSFER_GAS_LIMIT = 21000;
 export const TX_HASH_RESPONSE_WAIT_TIME_MS = ONE_SECOND_MS * 100;
diff --git a/src/services/meta_transaction_service.ts b/src/services/meta_transaction_service.ts
index e73f8a8b5..727a4a1af 100644
--- a/src/services/meta_transaction_service.ts
+++ b/src/services/meta_transaction_service.ts
@@ -13,6 +13,7 @@ import { Connection, Repository } from 'typeorm';
 import {
     ASSET_SWAPPER_MARKET_ORDERS_OPTS,
     CHAIN_ID,
+    ETH_GAS_STATION_API_URL,
     LIQUIDITY_POOL_REGISTRY_ADDRESS,
     META_TXN_RELAY_EXPECTED_MINED_SEC,
     META_TXN_SUBMIT_WHITELISTED_API_KEYS,
@@ -77,6 +78,7 @@ export class MetaTransactionService {
                 warningLogger: logger.warn.bind(logger),
                 infoLogger: logger.info.bind(logger),
             },
+            ethGasStationUrl: ETH_GAS_STATION_API_URL,
             permittedOrderFeeTypes: new Set([OrderPrunerPermittedFeeTypes.NoFees]),
         };
         this._swapQuoter = new SwapQuoter(this._provider, orderbook, swapQuoterOpts);
diff --git a/src/services/swap_service.ts b/src/services/swap_service.ts
index 333a1437a..9d6b11022 100644
--- a/src/services/swap_service.ts
+++ b/src/services/swap_service.ts
@@ -18,6 +18,7 @@ import * as _ from 'lodash';
 import {
     ASSET_SWAPPER_MARKET_ORDERS_OPTS,
     CHAIN_ID,
+    ETH_GAS_STATION_API_URL,
     LIQUIDITY_POOL_REGISTRY_ADDRESS,
     RFQT_API_KEY_WHITELIST,
     RFQT_MAKER_ASSET_OFFERINGS,
@@ -70,6 +71,7 @@ export class SwapService {
                 warningLogger: logger.warn.bind(logger),
                 infoLogger: logger.info.bind(logger),
             },
+            ethGasStationUrl: ETH_GAS_STATION_API_URL,
             permittedOrderFeeTypes: new Set([OrderPrunerPermittedFeeTypes.NoFees]),
         };
         this._swapQuoter = new SwapQuoter(this._provider, orderbook, swapQuoterOpts);
@@ -82,7 +84,10 @@ export class SwapService {
             getTokenMetadataIfExists('GST2', CHAIN_ID).tokenAddress,
             this._provider,
         );
-        this._protocolFeeUtils = new ProtocolFeeUtils(PROTOCOL_FEE_UTILS_POLLING_INTERVAL_IN_MS);
+        this._protocolFeeUtils = new ProtocolFeeUtils(
+            PROTOCOL_FEE_UTILS_POLLING_INTERVAL_IN_MS,
+            swapQuoterOpts.ethGasStationUrl,
+        );
         this._forwarderAddress = contractAddresses.forwarder;
     }
 
diff --git a/src/utils/gas_station_utils.ts b/src/utils/gas_station_utils.ts
index 076e9835e..df74011ed 100644
--- a/src/utils/gas_station_utils.ts
+++ b/src/utils/gas_station_utils.ts
@@ -1,6 +1,7 @@
 import { BigNumber } from '@0x/utils';
 
-import { ETH_GAS_STATION_API_URL, ONE_SECOND_MS } from '../constants';
+import { ETH_GAS_STATION_API_URL } from '../config';
+import { ONE_SECOND_MS } from '../constants';
 
 let previousGasInfo;
 let lastAccessed;
diff --git a/yarn.lock b/yarn.lock
index 3a2c14741..b9da1062f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -32,9 +32,9 @@
     lodash "^4.17.11"
     valid-url "^1.0.9"
 
-"@0x/asset-swapper@0xProject/gitpkg-registry#0x-asset-swapper-v4.5.0-a7cc1637d":
+"@0x/asset-swapper@0xProject/gitpkg-registry#0x-asset-swapper-v4.5.0-9a8139ce9":
   version "4.5.0"
-  resolved "https://codeload.github.com/0xProject/gitpkg-registry/tar.gz/97a225f11b94e621c7b005c8143a3bba36204522"
+  resolved "https://codeload.github.com/0xProject/gitpkg-registry/tar.gz/1dc56a8c840edf07e470daeda76d4c4a90502bd7"
   dependencies:
     "@0x/assert" "^3.0.8"
     "@0x/contract-addresses" "^4.10.0"