# How to upgrade to new version smoothly? without any data lost

**URL:** <https://discuss.elastic.co/t/how-to-upgrade-to-new-version-smoothly-without-any-data-lost/93279>\
**Category:** Elasticsearch\
**Created:** [July 15, 2017, 11:35pm UTC](https://discuss.elastic.co/t/how-to-upgrade-to-new-version-smoothly-without-any-data-lost/93279 "2017-07-15T23:35:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![KeithTt](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/keithtt/32/29447_2.png) [@KeithTt](https://discuss.elastic.co/u/KeithTt)\
**Post date:** [July 15, 2017, 11:35pm UTC](https://discuss.elastic.co/t/how-to-upgrade-to-new-version-smoothly-without-any-data-lost/93279/1 "2017-07-15T23:35:40Z")

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I install ELK 5.4.1 with RPM package last month, if I want to upgrade 5.5, is there a guide about how to do this.

The ES is cluster with 3 nodes, can I upgrade the nodes one by one?

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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:** [July 16, 2017, 1:11am UTC](https://discuss.elastic.co/t/how-to-upgrade-to-new-version-smoothly-without-any-data-lost/93279/2 "2017-07-16T01:11:26Z")

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Sure is - [https://www.elastic.co/guide/en/elasticsearch/reference/5.5/setup-upgrade.html](https://www.elastic.co/guide/en/elasticsearch/reference/5.5/setup-upgrade.html)

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<div class="post-metadata">

**Author:** ![KeithTt](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/keithtt/32/29447_2.png) [@KeithTt](https://discuss.elastic.co/u/KeithTt)\
**Post date:** [July 16, 2017, 4:46am UTC](https://discuss.elastic.co/t/how-to-upgrade-to-new-version-smoothly-without-any-data-lost/93279/3 "2017-07-16T04:46:44Z")

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great ! thanx a lot ! 😸

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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:** [August 13, 2017, 4:46am UTC](https://discuss.elastic.co/t/how-to-upgrade-to-new-version-smoothly-without-any-data-lost/93279/4 "2017-08-13T04:46:51Z")

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