# Help to change utf8mb3 to utf8mb4

**URL:** <https://www.dolibarr.org/forum/t/help-to-change-utf8mb3-to-utf8mb4/24582>\
**Category:** Installing my Dolibarr\
**Tags:** Issue\
**Created:** [November 19, 2023, 10:47am UTC](https://www.dolibarr.org/forum/t/help-to-change-utf8mb3-to-utf8mb4/24582 "2023-11-19T10:47:23Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![mmamin](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/m/da6949/32.png) [@mmamin](https://www.dolibarr.org/forum/u/mmamin)\
**Post date:** [November 19, 2023, 10:47am UTC](https://www.dolibarr.org/forum/t/help-to-change-utf8mb3-to-utf8mb4/24582/1 "2023-11-19T10:47:23Z")

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Hello,  
Please I need help to change utf8mb3 to utf8mb4

my current Dolibarr version 18.1 (upgraded from version 12)  
Installed on Debian 12  
Thank you in advance

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**Author:** ![jonbendtsen](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/j/977dab/32.png) [@jonbendtsen](https://www.dolibarr.org/forum/u/jonbendtsen)\
**Post date:** [November 19, 2023, 8:12pm UTC](https://www.dolibarr.org/forum/t/help-to-change-utf8mb3-to-utf8mb4/24582/2 "2023-11-19T20:12:02Z")

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> [@mmamin](#):
>
> Please I need help to change utf8mb3 to utf8mb4

that is a database thing, right?

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**Author:** ![mmamin](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/m/da6949/32.png) [@mmamin](https://www.dolibarr.org/forum/u/mmamin)\
**Post date:** [November 24, 2023, 10:41am UTC](https://www.dolibarr.org/forum/t/help-to-change-utf8mb3-to-utf8mb4/24582/3 "2023-11-24T10:41:02Z")

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Hello Jonbedtsen,  
Sorry for the late response; that is correct.

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**Author:** ![jonbendtsen](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/j/977dab/32.png) [@jonbendtsen](https://www.dolibarr.org/forum/u/jonbendtsen)\
**Post date:** [November 24, 2023, 2:52pm UTC](https://www.dolibarr.org/forum/t/help-to-change-utf8mb3-to-utf8mb4/24582/4 "2023-11-24T14:52:07Z")

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okay, I am new to dolibarr so I have not done any database upgrades