diff --git a/src/constants.ts b/src/constants.ts
index 5252ce0..98a5a9d 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -2,5 +2,6 @@ export const RECLAIM_SUBGRAPH_URI =
   import.meta.env.VITE_RECLAIM_GRAPH_URI || "http://127.0.0.1:8000/subgraphs/name/makoto/ens-reclaim-deposit-subgraph";
 export const ENS_SUBGRAPH_URI =
   import.meta.env.VITE_ENS_GRAPH_URI || "http://127.0.0.1:8000/subgraphs/name/graphprotocol/ens";
+export const MAINNET_RPC_URL = import.meta.env.VITE_MAINNET_RPC_URL || "https://web3.euc.li/v1/mainnet";
 export const REGISTRAR_ADDRESS = "0x6090a6e47849629b7245dfa1ca21d94cd15878ef" as const;
 export const REGISTRY_ADDRESS = "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e";
diff --git a/src/wagmi.ts b/src/wagmi.ts
index d63b2b0..7451c18 100644
--- a/src/wagmi.ts
+++ b/src/wagmi.ts
@@ -2,7 +2,7 @@ import { type CheckedChainWithEns, addresses } from "@ensdomains/ensjs/contracts
 import { http, createConfig } from "wagmi";
 import { mainnet } from "wagmi/chains";
 import { injected } from "wagmi/connectors";
-import { ENS_SUBGRAPH_URI } from "./constants";
+import { ENS_SUBGRAPH_URI, MAINNET_RPC_URL } from "./constants";
 
 const subgraphs = {
   1: {
@@ -27,7 +27,7 @@ export const config = createConfig({
   chains: [mainnetWithEns],
   connectors: [injected()],
   transports: {
-    [mainnet.id]: http("https://web3.euc.li/v1/mainnet"),
+    [mainnet.id]: http(MAINNET_RPC_URL),
   },
 });