# 1.4.3 Upgrade Oddity?

**URL:** <https://meta.discourse.org/t/1-4-3-upgrade-oddity/36095>\
**Category:** Product Support\
**Created:** [27. November 2015 um 17:56 UTC](https://meta.discourse.org/t/1-4-3-upgrade-oddity/36095 "2015-11-27T17:56:33Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![zogstrip](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/zogstrip/32/512781_2.png) [@zogstrip](https://meta.discourse.org/u/zogstrip)\
**Post date:** [27. November 2015 um 18:48 UTC](https://meta.discourse.org/t/1-4-3-upgrade-oddity/36095/4 "2015-11-27T18:48:22Z")

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We upgraded the base image because one of the library we use for optimizing PNGs was not available anymore

[https://github.com/discourse/discourse\_docker/commit/11e1b624197ab8ad879c7572487439b078a6a629](https://github.com/discourse/discourse_docker/commit/11e1b624197ab8ad879c7572487439b078a6a629)

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