Release 2.1.2 won't download

Hi

I’m on WordPress 4.6 running Twenty Sixteen and Twenty Fourteen on another site. Update to 2.1.2 failes on both with this error message:

“Download failed. cURL error 28: Operation timed out after 300014 milliseconds with 11922 out of 588267 bytes received”

https://www.ads-software.com/plugins/child-theme-configurator/