diff --git a/flutter_package/example/.gitignore b/flutter_package/example/.gitignore
index 3faab82f..0a9c49c0 100644
--- a/flutter_package/example/.gitignore
+++ b/flutter_package/example/.gitignore
@@ -5,9 +5,11 @@
 *.swp
 .DS_Store
 .atom/
+.build/
 .buildlog/
 .history
 .svn/
+.swiftpm/
 migrate_working_dir/
 
 # IntelliJ related
diff --git a/flutter_package/example/macos/Runner/AppDelegate.swift b/flutter_package/example/macos/Runner/AppDelegate.swift
index 8e02df28..b3c17614 100644
--- a/flutter_package/example/macos/Runner/AppDelegate.swift
+++ b/flutter_package/example/macos/Runner/AppDelegate.swift
@@ -6,4 +6,8 @@ class AppDelegate: FlutterAppDelegate {
   override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
     return true
   }
+
+  override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+    return true
+  }
 }