diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d88816d..9e9756fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # 0.4.0
-* [BREAKING_CHANGE] Updated dart min version to 3.0.0
-* Updated dependencies
+* [BREAKING_CHANGE] Updated dart min version to 3.0.0.
+* Updated dependencies.
+* Fixed lints.
+* Updated example.
 
 # 0.3.3
 * Updated dependencies
diff --git a/example/ios/Runner/AppDelegate.swift b/example/ios/Runner/AppDelegate.swift
index 71cc41e3..661646c0 100644
--- a/example/ios/Runner/AppDelegate.swift
+++ b/example/ios/Runner/AppDelegate.swift
@@ -8,6 +8,9 @@ import Flutter
     didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
   ) -> Bool {
     GeneratedPluginRegistrant.register(with: self)
+    if #available(iOS 10.0, *) {
+      UNUserNotificationCenter.current().delegate = self as? UNUserNotificationCenterDelegate
+    }
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
 }