Hello,

when i try to package my application for mac, i have this error:
`> Error: Cannot download "https://dl.bintray.com/electron-userland/bin/AppImage-09-07-16-mac.7z", status 500: Internal Server Error

at ClientRequest.request.doRequest.response (/Users/vagrant/git/node_modules/electron-builder-http/src/httpExecutor.ts:156:18)
at ClientRequest.g (events.js:291:16)
at emitOne (events.js:96:13)
at ClientRequest.emit (events.js:188:7)
at HTTPParser.parserOnIncomingClient [as onIncoming] (_http_client.js:474:21)
at HTTPParser.parserOnHeadersComplete (_http_common.js:99:23)
at TLSSocket.socketOnData (_http_client.js:363:20)
at emitOne (events.js:96:13)
at TLSSocket.emit (events.js:188:7)
at readableAddChunk (_stream_readable.js:176:18)
at TLSSocket.Readable.push (_stream_readable.js:134:10)
at TLSWrap.onread (net.js:548:20)`

and

Unhandled rejection Error: Cannot download "https://dl.bintray.com/electron-userland/bin/fpm-1.8.1-20150715-2.2.2-mac.7z", status 500: Internal Server Error at ClientRequest.request.doRequest.response (/Users/vagrant/git/node_modules/electron-builder-http/src/httpExecutor.ts:156:18) at ClientRequest.g (events.js:291:16) at emitOne (events.js:96:13) at ClientRequest.emit (events.js:188:7) at HTTPParser.parserOnIncomingClient [as onIncoming] (_http_client.js:474:21) at HTTPParser.parserOnHeadersComplete (_http_common.js:99:23) at TLSSocket.socketOnData (_http_client.js:363:20) at emitOne (events.js:96:13) at TLSSocket.emit (events.js:188:7) at readableAddChunk (_stream_readable.js:176:18) at TLSSocket.Readable.push (_stream_readable.js:134:10) at TLSWrap.onread (net.js:548:20)

someone has a workaround ?
I use electron-builder 18.0.1
thank you