diff --git a/src/utils/__test__/__mocks__/index.ts b/src/utils/__test__/__mocks__/index.ts
index 2b892f8..47a96db 100644
--- a/src/utils/__test__/__mocks__/index.ts
+++ b/src/utils/__test__/__mocks__/index.ts
@@ -17,6 +17,7 @@ export const rollupConfig = {
     futureSeconds: 3600,
   },
 };
+export const parentChainId = 421613;
 
 export const rollupContracts = {
   rollup: '0x389a3eA93AcF8D3d9cE09008Db3b19b15D3698f0',
diff --git a/src/utils/__test__/__snapshots__/configBuilders.test.ts.snap b/src/utils/__test__/__snapshots__/configBuilders.test.ts.snap
index 5a87b88..c2c4112 100644
--- a/src/utils/__test__/__snapshots__/configBuilders.test.ts.snap
+++ b/src/utils/__test__/__snapshots__/configBuilders.test.ts.snap
@@ -162,6 +162,8 @@ exports[`Configuration Builders buildL3Config Function builds correctly 1`] = `
   "minL2BaseFee": 100000000,
   "networkFeeReceiver": "0xF27c2fEfe6a39aa08763e504b44133CD992dd0f3",
   "outbox": "0x5B8674639103E827d124a70CD1d48d3E59F41188",
+  "parent-chain-node-url": "https://goerli-rollup.arbitrum.io/rpc",
+  "parentChainId": 421613,
   "rollup": "0x389a3eA93AcF8D3d9cE09008Db3b19b15D3698f0",
   "sequencerInbox": "0x3d8d87d6280cA15f54dBF18151582E67F421576A",
   "staker": "0xF27c2fEfe6a39aa08763e504b44133CD992dd0f3",
diff --git a/src/utils/__test__/configBuilders.test.ts b/src/utils/__test__/configBuilders.test.ts
index 5294e59..a64ca86 100644
--- a/src/utils/__test__/configBuilders.test.ts
+++ b/src/utils/__test__/configBuilders.test.ts
@@ -5,7 +5,7 @@ import {
   buildAnyTrustNodeConfig,
   buildL3Config,
 } from '../configBuilders';
-import { rollupConfig, rollupContracts, validators, batchPoster } from './__mocks__';
+import { rollupConfig, rollupContracts, validators, batchPoster, parentChainId } from './__mocks__';
 
 describe('Configuration Builders', () => {
   describe('buildChainConfig Function', () => {
@@ -22,6 +22,7 @@ describe('Configuration Builders', () => {
         rollupContracts,
         validators,
         batchPoster,
+        parentChainId,
       });
       expect(result).toMatchSnapshot();
     });
@@ -44,10 +45,12 @@ describe('Configuration Builders', () => {
         rollupContracts,
         validators,
         batchPoster,
+        parentChainId,
       });
       const result = buildAnyTrustNodeConfig(
         rollupConfigData,
         '0xF27c2fEfe6a39aa08763e504b44133CD992dd0f3',
+        parentChainId,
       );
       expect(result).toMatchSnapshot();
     });
@@ -61,6 +64,7 @@ describe('Configuration Builders', () => {
         validators,
         batchPoster,
         rollupContracts,
+        parentChainId,
       };
       const result = await buildL3Config(buildL3ConfigParams);
       expect(result).toMatchSnapshot();
diff --git a/src/utils/getRpcUrl.ts b/src/utils/getRpcUrl.ts
index d9fc02d..c30cfa6 100644
--- a/src/utils/getRpcUrl.ts
+++ b/src/utils/getRpcUrl.ts
@@ -1,14 +1,12 @@
-import { goerli, sepolia } from 'wagmi/chains';
-
 import { ChainId } from '@/types/ChainId';
 
 export function getRpcUrl(chainId: number) {
   switch (chainId) {
-    case goerli.id:
-      return goerli.rpcUrls.default.http[0];
+    case 5:
+      return 'https://rpc.ankr.com/eth_goerli';
 
-    case sepolia.id:
-      return sepolia.rpcUrls.default.http[0];
+    case 11155111:
+      return 'https://rpc.sepolia.org';
 
     case ChainId.ArbitrumGoerli:
       return 'https://goerli-rollup.arbitrum.io/rpc';