# Is 5.1.1 a major or minor version upgrade from 5.0.1?

**URL:** <https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724>\
**Category:** Elasticsearch\
**Created:** [January 5, 2017, 7:11pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724 "2017-01-05T19:11:55Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![animageofmine](https://avatars.discourse-cdn.com/v4/letter/a/7feea3/32.png) [@animageofmine](https://discuss.elastic.co/u/animageofmine)\
**Post date:** [January 5, 2017, 7:11pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724/1 "2017-01-05T19:11:55Z")

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Since ES started with version 5 after 2.4, I was wondering what is considered as a major vs minor version upgrade?

1. Is 5.1.1 a major version upgrade from 5.0.1?
2. Do we also have to update the client library to 5.1.1 (since ES recommends using the same client library version as ES version)?

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [January 5, 2017, 7:23pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724/2 "2017-01-05T19:23:13Z")

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1. No
2. Java lib with Transport Client I guess? It's supposed to work but yes I'd recommend upgrading it.

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**Author:** ![animageofmine](https://avatars.discourse-cdn.com/v4/letter/a/7feea3/32.png) [@animageofmine](https://discuss.elastic.co/u/animageofmine)\
**Post date:** [January 5, 2017, 7:25pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724/3 "2017-01-05T19:25:31Z")

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Thank you. We will update transport client to latest version.

What is considered a major version upgrade going forward? What would be the convention for the same?

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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:** [January 5, 2017, 8:44pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724/4 "2017-01-05T20:44:18Z")

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From 5 to 6 is a major version upgrade.

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<div class="post-metadata">

**Author:** ![animageofmine](https://avatars.discourse-cdn.com/v4/letter/a/7feea3/32.png) [@animageofmine](https://discuss.elastic.co/u/animageofmine)\
**Post date:** [January 5, 2017, 9:29pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724/5 "2017-01-05T21:29:53Z")

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Thought so, thank you for confirming!

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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:** [February 2, 2017, 9:30pm UTC](https://discuss.elastic.co/t/is-5-1-1-a-major-or-minor-version-upgrade-from-5-0-1/70724/6 "2017-02-02T21:30:06Z")

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