diff --git a/package.json b/package.json
index 9244276..cfbad59 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.22.17",
+  "version": "0.22.18",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/config/chains.json b/src/config/chains.json
index 4a3f0e9..0ee1874 100644
--- a/src/config/chains.json
+++ b/src/config/chains.json
@@ -5,7 +5,7 @@
     "label": "Ethereum",
     "shortName": "ETH",
     "code": "eth",
-    "rpc": "https://trade.orion.xyz/eth-mainnet/rpc",
+    "rpc": "https://ethereum-rpc.publicnode.com",
     "baseCurrencyName": "ETH",
     "contracts": {
       "WETH": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
diff --git a/src/crypt/signOrder.ts b/src/crypt/signOrder.ts
index 0187764..fca41a7 100644
--- a/src/crypt/signOrder.ts
+++ b/src/crypt/signOrder.ts
@@ -8,7 +8,7 @@ import normalizeNumber from '../utils/normalizeNumber.js';
 import getDomainData from './getDomainData.js';
 import hashOrder from './hashOrder.js';
 
-const DEFAULT_EXPIRATION = 365 * 24 * 60 * 60 * 1000; // 365 days
+const DEFAULT_EXPIRATION = 29 * 24 * 60 * 60 * 1000; // 29 days
 
 type SignerWithTypedDataSign = ethers.Signer & TypedDataSigner;