diff --git a/package.json b/package.json
index b9363e2..3bf1e18 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.17.6-rc.0",
+  "version": "0.17.6-rc.1",
   "description": "Orion Protocol SDK",
   "main": "./lib/esm/index.js",
   "module": "./lib/esm/index.js",
diff --git a/src/services/OrionAggregator/ws/index.ts b/src/services/OrionAggregator/ws/index.ts
index 7dbfad3..44124e3 100644
--- a/src/services/OrionAggregator/ws/index.ts
+++ b/src/services/OrionAggregator/ws/index.ts
@@ -71,7 +71,7 @@ type FuturesTradeInfoSubscription = {
     S: string,
     i: string,
     a: number,
-    p: boolean,
+    p?: number,
   },
   callback: (futuresTradeInfo: FuturesTradeInfo) => void,
 }