diff --git a/package.json b/package.json
index 00446de..f30c5b9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-diff",
-  "version": "1.7.1",
+  "version": "1.7.2",
   "description": "simple diff for object and arrays with options",
   "main": "simple-diff.js",
   "types": "simple-diff.d.ts",
diff --git a/simple-diff.d.ts b/simple-diff.d.ts
index 7ebf424..873e486 100644
--- a/simple-diff.d.ts
+++ b/simple-diff.d.ts
@@ -4,6 +4,7 @@ export default diff;
 
 export interface DiffOptions extends Partial<PathChange> {
 	idProp?: string,
+	idProps?: {[path: string]: string},
 	addEvent?: string,
 	removeEvent?: string,
 	changeEvent?: string,