diff --git a/index.js b/index.js
index e61e00929..d6383695a 100755
--- a/index.js
+++ b/index.js
@@ -28,10 +28,6 @@ var installStatsIndex = require('./src/main/osm-stats')
 var TileImporter = require('./src/main/tile-importer')
 var locale = require('./src/main/locale')
 
-if (require('electron-squirrel-startup')) {
-  process.exit(0)
-}
-
 // HACK: enable GPU graphics acceleration on some older laptops
 app.commandLine.appendSwitch('ignore-gpu-blacklist', 'true')
 
@@ -42,20 +38,19 @@ var log = null
 var win = null
 var splash = null
 
-var shouldQuit = app.makeSingleInstance(function (
-  commandLine,
-  workingDirectory
-) {
-  // Someone tried to run a second instance, we should focus our window.
-  if (win) {
-    if (win.isMinimized()) win.restore()
-    win.focus()
-  }
-})
+var gotTheLock = app.requestSingleInstanceLock()
 
-if (shouldQuit) {
-  app.quit()
+if (!gotTheLock) {
+  // Didn't get a lock, because another instance is open, so we quit
   process.exit(0)
+} else {
+  app.on('second-instance', () => {
+    // Someone tried to run a second instance, we should focus our window.
+    if (win) {
+      if (win.isMinimized()) win.restore()
+      win.focus()
+    }
+  })
 }
 
 // Path to `userData`, operating system specific, see
@@ -101,7 +96,10 @@ function openWindow () {
       show: false,
       alwaysOnTop: false,
       titleBarStyle: 'hidden',
-      icon: path.resolve(__dirname, 'static', 'mapeo_256x256.png')
+      icon: path.resolve(__dirname, 'static', 'mapeo_256x256.png'),
+      webPreferences: {
+        nodeIntegration: true
+      }
     })
     splash = new BrowserWindow({
       width: 810,
diff --git a/package.json b/package.json
index 044851965..efba21b42 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "inherits": "^2.0.3",
     "insert-css": "^1.0.0",
     "lodash": "^4.17.4",
-    "mapeo-server": "^16.0.0",
+    "mapeo-server": "^16.1.1",
     "mapeo-styles": "^3.0.0",
     "minimist": "^1.2.0",
     "mirror-folder": "^2.1.1",
@@ -137,8 +137,8 @@
     "cross-spawn": "^4.0.2",
     "css-loader": "^3.2.0",
     "devtron": "^1.2.0",
-    "electron": "^2.0.7",
-    "electron-builder": "^20.8.1",
+    "electron": "^6.0.10",
+    "electron-builder": "^21.2.0",
     "electron-devtools-installer": "^2.2.4",
     "electron-rebuild": "^1.8.6",
     "eslint": "^6.4.0",
@@ -149,7 +149,7 @@
     "hubfs.js": "^1.0.0",
     "license-check": "^1.1.5",
     "mock-data": "^1.5.5",
-    "npm-platform-dependencies": "0.0.12",
+    "npm-platform-dependencies": "^0.1.0",
     "patch-package": "^6.2.0",
     "pngjs": "^3.3.3",
     "spectron": "^4.0.0",
@@ -160,7 +160,7 @@
     "tape": "^4.9.1",
     "watchify": "^3.7.0",
     "webpack": "^4.40.2",
-    "webpack-cli": "^3.3.8",
+    "webpack-cli": "^3.3.9",
     "webpack-livereload-plugin": "^2.2.0",
     "webpack-node-externals": "^1.7.2"
   },