# Update not working

**URL:** <https://hub.mender.io/t/update-not-working/2715>\
**Category:** General Discussions\
**Created:** [October 22, 2020, 1:41pm UTC](https://hub.mender.io/t/update-not-working/2715 "2020-10-22T13:41:14Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![drewmoseley](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/drewmoseley/32/47_2.png) [@drewmoseley](https://hub.mender.io/u/drewmoseley)\
**Post date:** [October 26, 2020, 7:41pm UTC](https://hub.mender.io/t/update-not-working/2715/21 "2020-10-26T19:41:47Z")

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As far as I know that version should work.  
@kacf any thoughts here?

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**Author:** ![martin](https://avatars.discourse-cdn.com/v4/letter/m/73ab20/32.png) [@martin](https://hub.mender.io/u/martin)\
**Post date:** [October 26, 2020, 7:43pm UTC](https://hub.mender.io/t/update-not-working/2715/22 "2020-10-26T19:43:44Z")

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Just checked and I should be using v0.3 there was an old 0.2 version in one of our layers which was being used temporarily early on in the project, I’ve check v0.3 and it handles stdin.

I’ve removed the old recipe and I think this will fix things.

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**Author:** ![martin](https://avatars.discourse-cdn.com/v4/letter/m/73ab20/32.png) [@martin](https://hub.mender.io/u/martin)\
**Post date:** [October 27, 2020, 9:16am UTC](https://hub.mender.io/t/update-not-working/2715/23 "2020-10-27T09:16:39Z")

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It did indeed work 🙂 I wonder if there is a way of putting a dependency on libubootenv \>= 0.3 in Yocto?

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**Author:** ![dellgreen](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/dellgreen/32/85_2.png) [@dellgreen](https://hub.mender.io/u/dellgreen)\
**Post date:** [October 27, 2020, 11:47am UTC](https://hub.mender.io/t/update-not-working/2715/24 "2020-10-27T11:47:45Z")

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the RDEPENDS variable is probably what you are after as it supports version restrictions

> **[Yocto Project Mega-Manual](https://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html#var-RDEPENDS)**

assuming you have a layer that provides 0.3 or above of libubootenv

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