diff --git a/packages/electron/lib/electron.coffee b/packages/electron/lib/electron.js
similarity index 100%
rename from packages/electron/lib/electron.coffee
rename to packages/electron/lib/electron.js
diff --git a/packages/electron/lib/install.coffee b/packages/electron/lib/install.js
similarity index 100%
rename from packages/electron/lib/install.coffee
rename to packages/electron/lib/install.js
diff --git a/packages/electron/lib/paths.coffee b/packages/electron/lib/paths.js
similarity index 100%
rename from packages/electron/lib/paths.coffee
rename to packages/electron/lib/paths.js
diff --git a/packages/electron/test/electron_spec.coffee b/packages/electron/test/electron_spec.js
similarity index 100%
rename from packages/electron/test/electron_spec.coffee
rename to packages/electron/test/electron_spec.js
diff --git a/packages/server/lib/browsers/electron.coffee b/packages/server/lib/browsers/electron.js
similarity index 100%
rename from packages/server/lib/browsers/electron.coffee
rename to packages/server/lib/browsers/electron.js