diff --git a/build/background.png b/build/background.png
new file mode 100644
index 0000000..0719272
Binary files /dev/null and b/build/background.png differ
diff --git a/package.json b/package.json
index 66ffbeb..5970570 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     },
     "homepage": "https://github.com/dceejay/electron-node-red#readme",
     "devDependencies": {
-        "electron": "^7.0.1",
+        "electron": "^7.1.1",
         "electron-builder": "^22.1.0"
     },
     "build": {
@@ -50,7 +50,8 @@
         "productName": "Node-RED",
         "copyright": "Copyright © 2019 D.Conway-Jones",
         "mac": {
-            "category": "public.app-category.developer-tools"
+            "category": "public.app-category.developer-tools",
+            "target": "dmg"
         },
         "linux": {
             "target": [
diff --git a/yarn.lock b/yarn.lock
index 87b9b38..adb7738 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1176,10 +1176,10 @@ electron-publish@22.1.0:
     lazy-val "^1.0.4"
     mime "^2.4.4"
 
-electron@^7.0.1:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-7.0.1.tgz#6da2c07aa0513d3d156b5b027f317e0959261d43"
-  integrity sha512-eMFoZIO0+eOAE9FyNC/f0Vp8l/sJziTMK+axEt2XIpGCagom1IZgUKPGwmHUcftZCX5lNKh+Tv53T0GcNnNTKQ==
+electron@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-7.1.1.tgz#98be17d850e64689a09ab6dd1e437b36307f2fcf"
+  integrity sha512-NJPv4SuMJlRUtXBd/Ey9XKSLOZ4+hxsOrHHPXwrBQNNdeZesoSrTMgPymee/FwMRtrSt0Pz8NccEZUu/pxmbhQ==
   dependencies:
     "@electron/get" "^1.0.1"
     "@types/node" "^12.0.12"