# S3 key invalid

**URL:** <https://community.zymbit.com/t/s3-key-invalid/975>\
**Category:** ZYMKEY4\
**Created:** [October 6, 2020, 10:46pm UTC](https://community.zymbit.com/t/s3-key-invalid/975 "2020-10-06T22:46:22Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![marky\_r](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marky\_r](https://community.zymbit.com/u/marky_r)\
**Post date:** [October 6, 2020, 10:46pm UTC](https://community.zymbit.com/t/s3-key-invalid/975/1 "2020-10-06T22:46:22Z")

</div>

Security Module for Raspberry Pi  
invalid: EXPKEYSIG CAA5E9C8755D21A0 [scott@zymbit.com](mailto:scott@zymbit.com)

---

<div class="post-metadata">

**Author:** ![Bob\_of\_Zymbit](https://avatars.discourse-cdn.com/v4/letter/b/82dd89/32.png) [@Bob\_of\_Zymbit](https://community.zymbit.com/u/Bob_of_Zymbit)\
**Post date:** [October 6, 2020, 11:22pm UTC](https://community.zymbit.com/t/s3-key-invalid/975/2 "2020-10-06T23:22:52Z")

</div>

@marky_r

You can update your existing key with the following command:

`curl -L https://zk-sw-repo.s3.amazonaws.com/apt-zymkey-pubkey.gpg | apt-key add -`