# Updating minimum required version of CMake to 3.9.5

**URL:** <https://discourse.slicer.org/t/updating-minimum-required-version-of-cmake-to-3-9-5/1873>\
**Category:** Development\
**Tags:** build\
**Created:** [January 19, 2018, 1:46pm UTC](https://discourse.slicer.org/t/updating-minimum-required-version-of-cmake-to-3-9-5/1873 "2018-01-19T13:46:52Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [January 19, 2018, 1:46pm UTC](https://discourse.slicer.org/t/updating-minimum-required-version-of-cmake-to-3-9-5/1873/1 "2018-01-19T13:46:52Z")

</div>

[Similarly to ITK](https://discourse.itk.org/t/minimum-cmake-version-update/585/7?u=jcfr), I suggest we use the version available with the Ubuntu Long-Term-Support distribution at the time of the release (this will be 18.04 - Bionic Beaver). This version [is currently](https://packages.ubuntu.com/bionic/cmake) CMake 3.9.5.

For reference, here is last topic about updating to CMake 3.5.0. See [Minimum required version of CMake updated to 3.5.0](https://discourse.slicer.org/t/minimum-required-version-of-cmake-updated-to-3-5-0/828)

Cc: @lassoan @pieper @thewtex

---

<div class="post-metadata">

**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [January 31, 2018, 2:49am UTC](https://discourse.slicer.org/t/updating-minimum-required-version-of-cmake-to-3-9-5/1873/2 "2018-01-31T02:49:18Z")

</div>

Version of CMake use to build Slicer on Windows and Linux has been updated to 3.10.2

Next, build system will be updated to require CMake 3.9.5

> <https://github.com/Slicer/DashboardScripts/commit/28afbe5478ecdb9997adfb7914ce7b5389b3906c>