diff --git a/package.json b/package.json
index c8819cf..f861456 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "okx-api",
-  "version": "1.5.1",
+  "version": "1.5.2",
   "description": "Complete & robust Node.js SDK for OKX's REST APIs and WebSockets, with TypeScript & end-to-end tests",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/src/types/rest/response/public-data.ts b/src/types/rest/response/public-data.ts
index 4421d4b..1684909 100644
--- a/src/types/rest/response/public-data.ts
+++ b/src/types/rest/response/public-data.ts
@@ -88,7 +88,7 @@ export interface Instrument {
   category: string;
   baseCcy: string;
   quoteCcy: string;
-  settCcy: string;
+  settleCcy: string;
   ctVal: string;
   ctMult: string;
   ctValCcy: string;