# Can't upgrade VASSAL on MacOS

**URL:** <https://forum.vassalengine.org/t/cant-upgrade-vassal-on-macos/79553>\
**Category:** Technical Support & Bugs\
**Created:** [May 4, 2024, 6:30pm UTC](https://forum.vassalengine.org/t/cant-upgrade-vassal-on-macos/79553 "2024-05-04T18:30:03Z")\
**Posts on this page:** 1\
**Showing post:** 58

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**Author:** ![uckelman](https://forum.vassalengine.org/user_avatar/forum.vassalengine.org/uckelman/32/10020_2.png) [@uckelman](https://forum.vassalengine.org/u/uckelman)\
**Post date:** [June 28, 2024, 11:30pm UTC](https://forum.vassalengine.org/t/cant-upgrade-vassal-on-macos/79553/58 "2024-06-28T23:30:19Z")

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Yes, this confirms that what I thought would work does. Thank you for your help with it.

For anyone who wants to run the current Vassal MacOS package on a version of MacOS which doesn’t support Java 21 or newer, the solution is to replace the bundled Java with Java 17.

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