# Discourse docker rebuild failed with Unknown Migration Version

**URL:** <https://meta.discourse.org/t/discourse-docker-rebuild-failed-with-unknown-migration-version/134109>\
**Category:** Self-hosting\
**Created:** [November 22, 2019, 5:02am UTC](https://meta.discourse.org/t/discourse-docker-rebuild-failed-with-unknown-migration-version/134109 "2019-11-22T05:02:41Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![gerhard](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/gerhard/32/119479_2.png) [@gerhard](https://meta.discourse.org/u/gerhard)\
**Post date:** [November 22, 2019, 11:29am UTC](https://meta.discourse.org/t/discourse-docker-rebuild-failed-with-unknown-migration-version/134109/6 "2019-11-22T11:29:40Z")

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I fixed the migration in the akismet plugin. Please give it a try by rebuilding your app.

[https://github.com/discourse/discourse-akismet/commit/d2503ae65f79e250940590ffb1536d8ec5ef38e5](https://github.com/discourse/discourse-akismet/commit/d2503ae65f79e250940590ffb1536d8ec5ef38e5)

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