diff --git a/package.json b/package.json
index a954c50..962a2aa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.17.0",
+  "version": "0.17.1-rc.0",
   "description": "Orion Protocol SDK",
   "main": "./lib/esm/index.js",
   "module": "./lib/esm/index.js",
diff --git a/src/services/ReferralSystem/schemas/rewardsMappingSchema.ts b/src/services/ReferralSystem/schemas/rewardsMappingSchema.ts
index 4075424..916879d 100644
--- a/src/services/ReferralSystem/schemas/rewardsMappingSchema.ts
+++ b/src/services/ReferralSystem/schemas/rewardsMappingSchema.ts
@@ -16,8 +16,10 @@ const rewardsMappingSchema = z.array(
     timestamp_ms: z.number(),
     block_height: z.number(),
     tx_hash: z.string(),
-    price_feed_meta_info: z.record(z.string(), z.record(z.string(), z.number())),
-  }),
+    price_feed_meta_info: z
+      .record(z.string(), z.record(z.string(), z.number()))
+      .nullable(),
+  })
 );
 
 export default rewardsMappingSchema;