diff --git a/.travis.yml b/.travis.yml
index f84cb330..ba8dbdde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,53 @@
+# https://github.com/develar/onshape-desktop-shell/blob/master/.travis.yml
+
+os: osx
+osx_image: xcode9.3
 language: node_js
 node_js:
-  - "4"
-  - "6"
+  - "8"
+
+# https://discourse.brew.sh/t/wine-first-time-configuration-gets-stuck-forever-on-macos/1612
+env:
+  - ELECTRON_CACHE=$HOME/.cache/electron ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder WINEARCH=win32
+
+cache:
+  directories:
+  - node_modules
+  - $HOME/.cache/electron
+  - $HOME/.cache/electron-builder
+  - ffmpeg-tmp/archives
+  - $HOME/Library/Caches/Homebrew
+
+before_cache:
+  - rm -rf $HOME/.cache/electron-builder/wine
+
+before_install:
+  - brew install wine
+  - brew install p7zip
 
 script:
-  npm run lint
+  - |
+    npm run lint &&
+    npm run download-ffmpeg &&
+    ls ffmpeg-tmp/archives &&
+    npm run extract-ffmpeg &&
+    npm run build &&
+    npm run icon-gen &&
+    npm run package
+
+deploy:
+  provider: releases
+  overwrite: true
+  api_key:
+    secure: "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"
+  file:
+    - package/LosslessCut-darwin-x64.zip
+    - package/LosslessCut-win32-ia32.zip
+    - package/LosslessCut-win32-x64.zip
+    - package/LosslessCut-linux-ia32.zip
+    - package/LosslessCut-linux-x64.zip
+  skip_cleanup: true
+  draft: true
+  tag_name: $TRAVIS_TAG
+  on:
+    tags: true
diff --git a/scripts/ffmpeg-dl/dl.sh b/scripts/ffmpeg-dl/dl.sh
index beab0a7d..d5b8f6ec 100755
--- a/scripts/ffmpeg-dl/dl.sh
+++ b/scripts/ffmpeg-dl/dl.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-ffmpeg_version=3.4.2
+ffmpeg_version=4.0
 
 ffmpeg_linux_ia32=https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-32bit-static.tar.xz
 ffmpeg_linux_x64=https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz
@@ -10,7 +10,7 @@ ffprobe_darwin_x64=http://evermeet.cx/ffmpeg/ffprobe-"${ffmpeg_version}".7z
 
 OUT_DIR=ffmpeg-tmp/archives
 
-if [ -d "$OUT_DIR" ]; then
+if test "$(ls -A "$OUT_DIR" 2>/dev/null)"; then
   echo "$OUT_DIR exists, skipping download."
   exit
 fi
diff --git a/scripts/ffmpeg-dl/extract.sh b/scripts/ffmpeg-dl/extract.sh
index a3f6c63e..87314ac6 100755
--- a/scripts/ffmpeg-dl/extract.sh
+++ b/scripts/ffmpeg-dl/extract.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-ffmpeg_version=3.4.2
+ffmpeg_version=4.0
 
 (
   mkdir -p ffmpeg-tmp/extracted &&
diff --git a/src/update-checker.js b/src/update-checker.js
index 5c689eaa..36cf0504 100644
--- a/src/update-checker.js
+++ b/src/update-checker.js
@@ -8,6 +8,9 @@ const repo = gh.getRepo('mifi', 'lossless-cut');
 
 async function checkNewVersion() {
   try {
+    // From API: https://developer.github.com/v3/repos/releases/#get-the-latest-release
+    // View the latest published full release for the repository.
+    // Draft releases and prereleases are not returned by this endpoint.
     const res = (await repo.getRelease('latest')).data;
     const tagName = res.tag_name;
     console.log(tagName);