# Set Minimum Python Version to 3.6

**URL:** https://discourse.itk.org/t/set-minimum-python-version-to-3-6/3528
**Category:** Engineering
**Tags:** python
**Created:** [October 14, 2020, 2:12am UTC](https://discourse.itk.org/t/set-minimum-python-version-to-3-6/3528 "2020-10-14T02:12:04Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![hjmjohnson](https://discourse.itk.org/user_avatar/discourse.itk.org/hjmjohnson/32/23_2.png) [@hjmjohnson](https://discourse.itk.org/u/hjmjohnson)
#### Post date: [October 14, 2020, 2:12am UTC](https://discourse.itk.org/t/set-minimum-python-version-to-3-6/3528/1 "2020-10-14T02:12:04Z")

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ITK Community,

There is a need to define the minimum python version that is currently supported for building and deploying ITK.

**Python 3.5** will reach its " **end of life**" at the **end** of September 2020. If there are no security patches filed for **Python 3.5** after the release of **Python 3.5**.10, then **Python 3.5**. 10 will be the final release of the **3.5** series.

Additionally, ITK python wrapping requires numpy, and numpy 1.19 (the current version) only supports python 3.6-3.8.

I propose that the minimum supported Python version is 3.6. Please provide comments regarding your support or concerns regarding this proposal.

Thanks!  
Hans

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### Author: ![matt.mccormick](https://discourse.itk.org/user_avatar/discourse.itk.org/matt.mccormick/32/7_2.png) [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)
#### Post date: [October 14, 2020, 1:39pm UTC](https://discourse.itk.org/t/set-minimum-python-version-to-3-6/3528/2 "2020-10-14T13:39:35Z")

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👍

Also, Python 3.9 is now out, and we are adding support for 3.9 – it is time move on from 3.5.