# TotalSegmentator: Failed to install required packages 

**URL:** <https://discourse.slicer.org/t/totalsegmentator-failed-to-install-required-packages/38405>\
**Category:** Support\
**Tags:** segmentation, segmentations, segment-editor, ai, totalsegmentator\
**Created:** [September 17, 2024, 1:46am UTC](https://discourse.slicer.org/t/totalsegmentator-failed-to-install-required-packages/38405 "2024-09-17T01:46:50Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [October 10, 2025, 4:11pm UTC](https://discourse.slicer.org/t/totalsegmentator-failed-to-install-required-packages/38405/14 "2025-10-10T16:11:48Z")

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This was likely due to latest pyarrow only having manylinux 2\_28 whls for Python 3.9 and Slicer’s 5.8.1 linux environment doesn’t support those whl versions, but it could have done a manylinux 2\_17 whl. Latest Slicer Preview has an updated linux environment that support manylinux 2\_28 whls which is why pyarrow installation likely worked for you when using that newer version.

> [@Slicer Build Environment Upgraded to \`qt5-almalinux8-gcc14\`](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802):
>
> The build environment used for generating Slicer Preview and its extensions has been upgraded from qt5-centos7-gcc7 to qt5-almalinux8-gcc14. This update brings improved C++ standards support, better compatibility with modern systems, and eliminates complications related to the Dual ABI issue previously discussed [here](https://discourse.slicer.org/t/temporary-disabling-of-stable-extension-builds-in-preparation-for-slicer-5-8-release-visual-studio-update/41207/7). Comparison of Build Environments Build Environment Minimum Required glibc Manylinux Policy GCC Version Compatible Systems qt5-centos7-gcc7 2.17 manylinux2014, manylinux\_2…

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