diff --git a/deploy/consts.ts b/deploy/consts.ts
index 9a3112068..5a969a9c4 100644
--- a/deploy/consts.ts
+++ b/deploy/consts.ts
@@ -59,6 +59,10 @@ export const L1_ADDRESS_MAP: { [key: number]: { [contractName: string]: string }
     matic: "0x499d11E0b6eAC7c0593d8Fb292DCBbF815Fb29Ae", // Dummy: Polygon's testnet is goerli
     l2WrappedMatic: "0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889", // Dummy: Polygon's testnet is goerli
   },
+  11155111: {
+    finder: "0xeF684C38F94F48775959ECf2012D7E864ffb9dd4",
+    weth: "0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9",
+  },
 };
 
 export const L2_ADDRESS_MAP: { [key: number]: { [contractName: string]: string } } = {
diff --git a/deployments/deployments.json b/deployments/deployments.json
index 06b1330bd..0678f00fb 100644
--- a/deployments/deployments.json
+++ b/deployments/deployments.json
@@ -59,5 +59,11 @@
     "SpokePool": { "address": "0x45fF03629D024b7763275e732a2d80202c18b31C", "blockNumber": 26276253 }
   },
   "421611": { "SpokePool": { "address": "0x3BED21dAe767e4Df894B31b14aD32369cE4bad8b", "blockNumber": 10523275 } },
-  "421613": { "SpokePool": { "address": "0xD29C85F15DF544bA632C9E25829fd29d767d7978", "blockNumber": 16711650 } }
+  "421613": { "SpokePool": { "address": "0xd08baaE74D6d2eAb1F3320B2E1a53eeb391ce8e5", "blockNumber": 30397192 } },
+  "11155111": {
+    "AcrossConfigStore": { "address": "0xd85630E361cEbBC4c7f13e6eEd3587050fB81B86", "blockNumber": 3890922 },
+    "LPTokenFactory": { "address": "0x28077B47Cd03326De7838926A63699849DD4fa87", "blockNumber": 3882568 },
+    "HubPool": { "address": "0x09aea4b2242abC8bb4BB78D537A67a245A7bEC64", "blockNumber": 3883048 },
+    "SpokePool": { "address": "0x3baD7AD0728f9917d1Bf08af5782dCbD516cDd96", "blockNumber": 3883174 }
+  }
 }
diff --git a/hardhat.config.ts b/hardhat.config.ts
index d8729d7d1..f0d36b310 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -113,7 +113,7 @@ const config: HardhatUserConfig = {
       url: "https://goerli-rollup.arbitrum.io/rpc",
       saveDeployments: true,
       accounts: { mnemonic },
-      companionNetworks: { l1: "goerli" },
+      companionNetworks: { l1: "sepolia" },
     },
     rinkeby: {
       chainId: 4,
@@ -127,6 +127,12 @@ const config: HardhatUserConfig = {
       saveDeployments: true,
       accounts: { mnemonic },
     },
+    sepolia: {
+      url: "https://rpc2.sepolia.org",
+      accounts: { mnemonic },
+      saveDeployments: true,
+      chainId: 11155111,
+    },
     polygon: {
       chainId: 137,
       url: getNodeUrl("polygon-matic", true, 137),
@@ -155,6 +161,7 @@ const config: HardhatUserConfig = {
       kovan: process.env.ETHERSCAN_API_KEY!,
       rinkeby: process.env.ETHERSCAN_API_KEY!,
       goerli: process.env.ETHERSCAN_API_KEY!,
+      sepolia: process.env.ETHERSCAN_API_KEY!,
       optimisticEthereum: process.env.OPTIMISM_ETHERSCAN_API_KEY!,
       optimisticGoerli: process.env.OPTIMISM_ETHERSCAN_API_KEY!,
       arbitrumOne: process.env.ARBITRUM_ETHERSCAN_API_KEY!,
diff --git a/utils/constants.ts b/utils/constants.ts
index d03b6f4a9..2e07d0ecc 100644
--- a/utils/constants.ts
+++ b/utils/constants.ts
@@ -5,6 +5,7 @@ export const CHAIN_IDs = {
   BOBA: 288,
   POLYGON: 137,
   GOERLI: 5,
+  SEPOLIA: 11155111,
   MUMBAI: 80001,
   ARBITRUM_GOERLI: 421613,
   OPTIMISM_GOERLI: 420,
@@ -78,7 +79,9 @@ export const TOKEN_SYMBOLS_MAP = {
       [CHAIN_IDs.POLYGON]: "0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619",
       [CHAIN_IDs.BOBA]: "0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000",
       [CHAIN_IDs.ARBITRUM]: "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1",
+      [CHAIN_IDs.ARBITRUM_GOERLI]: "0xe39Ab88f8A4777030A534146A9Ca3B52bd5D43A3",
       [CHAIN_IDs.GOERLI]: "0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6",
+      [CHAIN_IDs.SEPOLIA]: "0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9",
     },
   },
   MATIC: {
@@ -163,7 +166,9 @@ export const TOKEN_SYMBOLS_MAP = {
       [CHAIN_IDs.POLYGON]: "0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619",
       [CHAIN_IDs.BOBA]: "0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000",
       [CHAIN_IDs.ARBITRUM]: "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1",
+      [CHAIN_IDs.ARBITRUM_GOERLI]: "0xe39Ab88f8A4777030A534146A9Ca3B52bd5D43A3",
       [CHAIN_IDs.GOERLI]: "0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6",
+      [CHAIN_IDs.SEPOLIA]: "0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9",
     },
   },
   WMATIC: {