I found a way to make it work.
1. download your module.
2 unzip it with 7zip.
3. use the MpkTool found here:
4. edit the meta data.
5. run the project that you just changed to what ever version.
6. export the module now in that version.
7. upload it into your project.
Hi Jason,
Please try this
https://medium.com/@vstram/is-it-possible-to-downgrade-a-mendix-project-file-c1b194382c1c