# Upgrade super old elastic search ( v 0.12.1 )

**URL:** https://discuss.elastic.co/t/upgrade-super-old-elastic-search-v-0-12-1/91344
**Category:** Elasticsearch
**Created:** [June 29, 2017, 8:32pm UTC](https://discuss.elastic.co/t/upgrade-super-old-elastic-search-v-0-12-1/91344 "2017-06-29T20:32:19Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![bpc](https://avatars.discourse-cdn.com/v4/letter/b/edb3f5/32.png) [@bpc](https://discuss.elastic.co/u/bpc)
#### Post date: [June 29, 2017, 8:32pm UTC](https://discuss.elastic.co/t/upgrade-super-old-elastic-search-v-0-12-1/91344/1 "2017-06-29T20:32:19Z")

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Would anyone have a suggestion for upgrading a very very old elasticsearch - I believe 0.12.1 ?

I can't find a document about breaking changes or upgrade instructions for anything older than 1x

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### Author: ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [June 29, 2017, 10:35pm UTC](https://discuss.elastic.co/t/upgrade-super-old-elastic-search-v-0-12-1/91344/2 "2017-06-29T22:35:34Z")

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I wouldn't even bother.  
Instead I'd reindex everything into a new cluster.

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 27, 2017, 10:35pm UTC](https://discuss.elastic.co/t/upgrade-super-old-elastic-search-v-0-12-1/91344/3 "2017-07-27T22:35:59Z")

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