diff --git a/package-lock.json b/package-lock.json
index cb6a220..87b8a5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.21.0-rc3",
+  "version": "0.21.0-rc4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.21.0-rc3",
+      "version": "0.21.0-rc4",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
diff --git a/package.json b/package.json
index 4824521..d2829c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.21.0-rc3",
+  "version": "0.21.0-rc4",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/services/Aggregator/schemas/swapInfoSchema.ts b/src/services/Aggregator/schemas/swapInfoSchema.ts
index aed6d09..dc4b219 100644
--- a/src/services/Aggregator/schemas/swapInfoSchema.ts
+++ b/src/services/Aggregator/schemas/swapInfoSchema.ts
@@ -1,4 +1,5 @@
 import { z } from 'zod';
+import uppercasedNetworkCodes from '../../../constants/uppercasedNetworkCodes';
 
 const orderInfoSchema = z.object({
   assetPair: z.string().toUpperCase(),
@@ -50,6 +51,8 @@ const swapInfoBase = z.object({
     d: z.string().optional(), // difference in available amount in/out (USD) and market amount out/in (USD) in percentage
   }).optional(),
   autoSlippage: z.number().optional(),
+  sourceChain: z.enum(uppercasedNetworkCodes).optional(),
+  targetChain: z.enum(uppercasedNetworkCodes).optional(),
 });
 
 const swapInfoByAmountIn = swapInfoBase.extend({