diff --git a/apps/macos/Packaging/dmg-background-small.png b/apps/macos/Packaging/dmg-background-small.png
index 74fc56a90454..676867d1e457 100644
Binary files a/apps/macos/Packaging/dmg-background-small.png and b/apps/macos/Packaging/dmg-background-small.png differ
diff --git a/apps/macos/Packaging/dmg-background.png b/apps/macos/Packaging/dmg-background.png
index a3bff0382b94..dfd19cb542ae 100644
Binary files a/apps/macos/Packaging/dmg-background.png and b/apps/macos/Packaging/dmg-background.png differ
diff --git a/scripts/create-dmg.sh b/scripts/create-dmg.sh
index 23c64ad19f93..0dbe63c8f84d 100755
--- a/scripts/create-dmg.sh
+++ b/scripts/create-dmg.sh
@@ -10,10 +10,10 @@ set -euo pipefail
 #   DMG_VOLUME_NAME        default: CFBundleName
 #   DMG_BACKGROUND_PATH    default: apps/macos/Packaging/dmg-background.png
 #   DMG_BACKGROUND_SMALL   default: apps/macos/Packaging/dmg-background-small.png (recommended)
-#   DMG_WINDOW_BOUNDS      default: "400 100 900 420" (500x320)
-#   DMG_ICON_SIZE          default: 128
-#   DMG_APP_POS            default: "125 160"
-#   DMG_APPS_POS           default: "375 160"
+#   DMG_WINDOW_BOUNDS      default: "400 100 1080 530" (680x430)
+#   DMG_ICON_SIZE          default: 144
+#   DMG_APP_POS            default: "170 305"
+#   DMG_APPS_POS           default: "510 305"
 #   SKIP_DMG_STYLE=1       skip Finder styling
 #   DMG_EXTRA_SECTORS      extra sectors to keep when shrinking RW image (default: 2048)
 
@@ -43,10 +43,10 @@ DMG_VOLUME_NAME="${DMG_VOLUME_NAME:-$APP_NAME}"
 DMG_BACKGROUND_SMALL="${DMG_BACKGROUND_SMALL:-$ROOT_DIR/apps/macos/Packaging/dmg-background-small.png}"
 DMG_BACKGROUND_PATH="${DMG_BACKGROUND_PATH:-$ROOT_DIR/apps/macos/Packaging/dmg-background.png}"
 
-DMG_WINDOW_BOUNDS="${DMG_WINDOW_BOUNDS:-400 100 900 420}"
-DMG_ICON_SIZE="${DMG_ICON_SIZE:-128}"
-DMG_APP_POS="${DMG_APP_POS:-125 160}"
-DMG_APPS_POS="${DMG_APPS_POS:-375 160}"
+DMG_WINDOW_BOUNDS="${DMG_WINDOW_BOUNDS:-400 100 1080 530}"
+DMG_ICON_SIZE="${DMG_ICON_SIZE:-144}"
+DMG_APP_POS="${DMG_APP_POS:-170 305}"
+DMG_APPS_POS="${DMG_APPS_POS:-510 305}"
 DMG_EXTRA_SECTORS="${DMG_EXTRA_SECTORS:-2048}"
 
 require_integer_list() {
diff --git a/test/scripts/create-dmg.test.ts b/test/scripts/create-dmg.test.ts
index 35ba412e7f1c..3b9de020d4f7 100644
--- a/test/scripts/create-dmg.test.ts
+++ b/test/scripts/create-dmg.test.ts
@@ -150,6 +150,12 @@ function runScript(args: string[], env: NodeJS.ProcessEnv = {}) {
   });
 }
 
+function readPngDimensions(imagePath: string): { width: number; height: number } {
+  const data = readFileSync(imagePath);
+  expect(data.subarray(1, 4).toString("ascii")).toBe("PNG");
+  return { width: data.readUInt32BE(16), height: data.readUInt32BE(20) };
+}
+
 afterEach(() => {
   for (const dir of tempDirs.splice(0)) {
     rmSync(dir, { recursive: true, force: true });
@@ -195,6 +201,23 @@ describe("create-dmg plist validation", () => {
     expect(script).not.toContain('tell application "Finder" to close every window');
   });
 
+  it("keeps the larger Finder layout aligned with the packaged backgrounds", () => {
+    const script = readFileSync(scriptPath, "utf8");
+
+    expect(script).toContain('DMG_WINDOW_BOUNDS="${DMG_WINDOW_BOUNDS:-400 100 1080 530}"');
+    expect(script).toContain('DMG_ICON_SIZE="${DMG_ICON_SIZE:-144}"');
+    expect(script).toContain('DMG_APP_POS="${DMG_APP_POS:-170 305}"');
+    expect(script).toContain('DMG_APPS_POS="${DMG_APPS_POS:-510 305}"');
+    expect(readPngDimensions("apps/macos/Packaging/dmg-background-small.png")).toEqual({
+      width: 680,
+      height: 430,
+    });
+    expect(readPngDimensions("apps/macos/Packaging/dmg-background.png")).toEqual({
+      width: 1360,
+      height: 860,
+    });
+  });
+
   it("fails malformed DMG resize slack before creating images", () => {
     const script = readFileSync(scriptPath, "utf8");
     const validationBlock = script.slice(