diff --git a/src/spaceone/identity/service/app_service.py b/src/spaceone/identity/service/app_service.py
index 66c0f91..30997f9 100644
--- a/src/spaceone/identity/service/app_service.py
+++ b/src/spaceone/identity/service/app_service.py
@@ -193,7 +193,9 @@ def generate_client_secret(
         )
 
         # Update app info
-        app_vo = self.app_mgr.update_app_by_vo({"client_id": client_id}, app_vo)
+        app_vo = self.app_mgr.update_app_by_vo(
+            {"client_id": client_id, "expired_at": params.expired_at}, app_vo
+        )
 
         return AppResponse(**app_vo.to_dict(), client_secret=client_secret)