diff --git a/lib/interfaces.ts b/lib/interfaces.ts
index 8985f4c..c72ae03 100644
--- a/lib/interfaces.ts
+++ b/lib/interfaces.ts
@@ -1,6 +1,7 @@
 export interface InAppNotification {
   id: string;
   notificationId: string;
+  subNotificationId?: string;
   seen: boolean;
   title: string;
   redirectURL?: string;
diff --git a/package-lock.json b/package-lock.json
index b2603e3..62cb16c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@notificationapi/core",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@notificationapi/core",
-      "version": "0.0.9",
+      "version": "0.0.10",
       "devDependencies": {
         "@types/jest": "^29.5.3",
         "@types/node": "^20.14.10",
diff --git a/package.json b/package.json
index 57206a8..4ff5095 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@notificationapi/core",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "type": "module",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",