diff --git a/build/config.js b/build/config.js
index 19d02e64f..b6a6d10b4 100644
--- a/build/config.js
+++ b/build/config.js
@@ -4,6 +4,7 @@
 'use strict'
 
 const path = require('path')
+const childProcess = require('child_process')
 
 const appMetadata = require('../package.json')
 
@@ -11,14 +12,23 @@ const repositoryRootPath = path.resolve(__dirname, '..')
 const buildOutputPath = path.join(repositoryRootPath, 'out')
 const intermediateAppPath = path.join(buildOutputPath, 'app')
 const cachePath = path.join(repositoryRootPath, 'cache')
-const channel = getChannel()
 
 module.exports = {
-  appMetadata, channel,
+  appMetadata, getAppVersion, getChannel,
   repositoryRootPath, buildOutputPath, intermediateAppPath,
   cachePath
 }
 
+function getAppVersion () {
+  let version = appMetadata.version
+  if (getChannel() === 'dev') {
+    const result = childProcess.spawnSync('git', ['rev-parse', '--short', 'HEAD'], {cwd: repositoryRootPath})
+    const commitHash = result.stdout.toString().trim()
+    version += '-' + commitHash
+  }
+  return version
+}
+
 function getChannel () {
   if (appMetadata.version.match(/dev/) || isBuildingPR()) {
     return 'dev'
diff --git a/build/lib/copy-assets.js b/build/lib/copy-assets.js
index b6566fc40..d6aea38a5 100644
--- a/build/lib/copy-assets.js
+++ b/build/lib/copy-assets.js
@@ -26,7 +26,7 @@ module.exports = function () {
   }
 
   fs.copySync(
-    path.join(CONFIG.repositoryRootPath, 'resources', 'app-icons', CONFIG.channel, 'png', '1024.png'),
+    path.join(CONFIG.repositoryRootPath, 'resources', 'app-icons', CONFIG.getChannel(), 'png', '1024.png'),
     path.join(CONFIG.intermediateAppPath, 'resources', 'atom.png')
   )
 }
diff --git a/build/lib/package-application.js b/build/lib/package-application.js
index 57e91336e..8cc4aeeef 100644
--- a/build/lib/package-application.js
+++ b/build/lib/package-application.js
@@ -12,13 +12,13 @@ const CONFIG = require('../config')
 module.exports = async function () {
   console.log(`Running electron-packager on ${CONFIG.intermediateAppPath}`)
   const packagedAppPath = await runPackager({
-    'app-version': CONFIG.appMetadata.version,
+    'app-version': CONFIG.getAppVersion(),
     'arch': process.arch,
     'asar': {unpack: buildAsarUnpackGlobExpression()},
-    'build-version': CONFIG.appMetadata.version,
+    'build-version': CONFIG.getAppVersion(),
     'download': {cache: CONFIG.cachePath},
     'dir': CONFIG.intermediateAppPath,
-    'icon': path.join(CONFIG.repositoryRootPath, 'resources', 'app-icons', CONFIG.channel, 'atom.icns'),
+    'icon': path.join(CONFIG.repositoryRootPath, 'resources', 'app-icons', CONFIG.getChannel(), 'atom.icns'),
     'out': CONFIG.buildOutputPath,
     'overwrite': true,
     'platform': process.platform,
@@ -73,19 +73,7 @@ function buildAsarUnpackGlobExpression () {
 
 function runPackager (options) {
   return new Promise((resolve, reject) => {
-    electronPackager({
-      'app-version': CONFIG.appMetadata.version,
-      'arch': process.arch,
-      'asar': {unpack: buildAsarUnpackGlobExpression()},
-      'build-version': CONFIG.appMetadata.version,
-      'download': {cache: CONFIG.cachePath},
-      'dir': CONFIG.intermediateAppPath,
-      'icon': path.join(CONFIG.repositoryRootPath, 'resources', 'app-icons', CONFIG.channel, 'atom.icns'),
-      'out': CONFIG.buildOutputPath,
-      'overwrite': true,
-      'platform': process.platform,
-      'version': CONFIG.appMetadata.electronVersion
-    }, (err, packagedAppPaths) => {
+    electronPackager(options, (err, packagedAppPaths) => {
       if (err) {
         reject(err)
         throw new Error(err)