# Subtask Dependencies **URL:** \ **Category:** Ask the Community\ **Tags:** dependencies, subtasks\ **Created:** [23 August 2017 23:36 UTC](https://forum.asana.com/t/subtask-dependencies/6711 "2017-08-23T23:36:56Z")\ **Posts on this page:** 1\ **Showing post:** 23
**Author:** ![Phil\_Seeman](https://sea2.discourse-cdn.com/asana/user_avatar/forum.asana.com/phil_seeman/32/81525_2.png) [@Phil\_Seeman](https://forum.asana.com/u/Phil_Seeman)\ **Post date:** [20 January 2020 16:23 UTC](https://forum.asana.com/t/subtask-dependencies/6711/23 "2020-01-20T16:23:48Z")
Hi @John_Versfeld and welcome to the forum! > [@John\_Versfeld](#): > > Is it possible to set the task so that it is not possible to mark it as complete unless all of the sub tasks (dependent or not) have actually been completed? No, sorry, this is not currently possible. There is a thread requesting that this feature be added; you can add your vote here: > [@Mark all subtasks complete before allowing tasks to be marked complete](https://forum.asana.com/t/mark-all-subtasks-complete-before-allowing-tasks-to-be-marked-complete/1741/20): > > Flagging my interest here, too! I am an Asana Solution Partner and many of our customers (~8/10) ask me for a possibility to somehow prevent parent tasks to be completed before subtasks are - or at least be shown a warning pop-up. Many of them use subtasks as “Check lists” - this mentality seems to be a popular usecase for subtasks. Alternatively, since it does not seem to be an issue of relevance in Asana, we would greatly love the opportunity to alter this via Asanas API! We’d be happy to th… --- _[View the full topic](https://forum.asana.com/t/subtask-dependencies/6711)._