diff --git a/layer/utils/constant.ts b/layer/utils/constant.ts
index ab6a2749..20252db1 100644
--- a/layer/utils/constant.ts
+++ b/layer/utils/constant.ts
@@ -46,7 +46,7 @@ export const ETHEREUM_CHAIN_ID: EthereumChainId = import.meta.env
   ? parseInt(import.meta.env.VITE_ETHEREUM_CHAIN_ID as string)
   : parseInt(
       (IS_TESTNET || IS_DEVNET
-        ? EthereumChainId.Goerli
+        ? EthereumChainId.Sepolia
         : EthereumChainId.Mainnet
       ).toString()
     )
@@ -81,6 +81,7 @@ export const ALCHEMY_KEY = import.meta.env.VITE_ALCHEMY_KEY
 export const COINGECKO_KEY = import.meta.env.VITE_COINGECKO_KEY
 export const ALCHEMY_KOVAN_KEY = import.meta.env.VITE_ALCHEMY_KOVAN_KEY
 export const ALCHEMY_GOERLI_KEY = import.meta.env.VITE_ALCHEMY_GOERLI_KEY
+export const ALCHEMY_SEPOLIA_KEY = import.meta.env.VITE_ALCHEMY_SEPOLIA_KEY
 export const FEE_PAYER_PUB_KEY = (import.meta.env.VITE_FEE_PAYER_PUB_KEY ||
   '') as string
 
diff --git a/layer/wallet/alchemy.ts b/layer/wallet/alchemy.ts
index d82de8b6..8d6ab069 100644
--- a/layer/wallet/alchemy.ts
+++ b/layer/wallet/alchemy.ts
@@ -4,6 +4,7 @@ import {
   IS_TESTNET,
   ALCHEMY_KEY,
   ALCHEMY_KOVAN_KEY,
+  ALCHEMY_SEPOLIA_KEY,
   ALCHEMY_GOERLI_KEY
 } from './../utils/constant'
 
@@ -12,6 +13,7 @@ export const getRpcUrlsForChainIds = (): Record<EthereumChainId, string> => {
     [EthereumChainId.Ganache]: 'http://localhost:8545',
     [EthereumChainId.HardHat]: 'http://localhost:8545',
     [EthereumChainId.Goerli]: `https://eth-goerli.alchemyapi.io/v2/${ALCHEMY_GOERLI_KEY}`,
+    [EthereumChainId.Sepolia]: `https://eth-sepolia.alchemyapi.io/v2/${ALCHEMY_SEPOLIA_KEY}`,
     [EthereumChainId.Kovan]: `https://eth-kovan.alchemyapi.io/v2/${ALCHEMY_KOVAN_KEY}`,
     [EthereumChainId.Mainnet]: `https://eth-mainnet.alchemyapi.io/v2/${ALCHEMY_KEY}`,
     [EthereumChainId.Injective]: '',