diff --git a/flutter/lib/sentry_flutter.dart b/flutter/lib/sentry_flutter.dart
index c30ca1f5ad..6760e99efb 100644
--- a/flutter/lib/sentry_flutter.dart
+++ b/flutter/lib/sentry_flutter.dart
@@ -1,5 +1,7 @@
-// ignore: invalid_export_of_internal_element
 /// A Flutter client for Sentry.io crash reporting.
+library sentry_flutter;
+
+// ignore: invalid_export_of_internal_element
 export 'package:sentry/sentry.dart';
 
 export 'src/integrations/load_release_integration.dart';
diff --git a/flutter/lib/src/flutter_sentry_attachment.dart b/flutter/lib/src/flutter_sentry_attachment.dart
index 83b75c20bd..2e8d57927a 100644
--- a/flutter/lib/src/flutter_sentry_attachment.dart
+++ b/flutter/lib/src/flutter_sentry_attachment.dart
@@ -16,8 +16,8 @@ class FlutterSentryAttachment extends SentryAttachment {
     String? filename,
     AssetBundle? bundle,
     String? type,
-    String? contentType,
-    bool? addToTransactions,
+    super.contentType,
+    super.addToTransactions,
   }) : super.fromLoader(
           loader: () async {
             final data = await (bundle ?? rootBundle).load(key);
@@ -28,7 +28,5 @@ class FlutterSentryAttachment extends SentryAttachment {
                   ? Uri.parse(key).pathSegments.last
                   : 'unknown'),
           attachmentType: type,
-          contentType: contentType,
-          addToTransactions: addToTransactions,
         );
 }
diff --git a/flutter/lib/src/navigation/sentry_navigator_observer.dart b/flutter/lib/src/navigation/sentry_navigator_observer.dart
index bfe1c0c6a2..6893d47aca 100644
--- a/flutter/lib/src/navigation/sentry_navigator_observer.dart
+++ b/flutter/lib/src/navigation/sentry_navigator_observer.dart
@@ -283,14 +283,12 @@ class RouteObserverBreadcrumb extends Breadcrumb {
     dynamic fromArgs,
     String? to,
     dynamic toArgs,
-    SentryLevel? level,
-    DateTime? timestamp,
+    super.level,
+    super.timestamp,
     Map<String, dynamic>? data,
   }) : super(
             category: _navigationKey,
             type: _navigationKey,
-            level: level,
-            timestamp: timestamp,
             data: <String, dynamic>{
               'state': navigationType,
               if (from != null) 'from': from,
diff --git a/flutter/lib/src/screenshot/sentry_screenshot_widget.dart b/flutter/lib/src/screenshot/sentry_screenshot_widget.dart
index b11b511bb3..b7273b8979 100644
--- a/flutter/lib/src/screenshot/sentry_screenshot_widget.dart
+++ b/flutter/lib/src/screenshot/sentry_screenshot_widget.dart
@@ -22,8 +22,7 @@ final sentryScreenshotWidgetGlobalKey =
 /// - You can only have one [SentryScreenshotWidget] widget in your widget tree at all
 ///   times.
 class SentryScreenshotWidget extends StatefulWidget {
-  const SentryScreenshotWidget({Key? key, required this.child})
-      : super(key: key);
+  const SentryScreenshotWidget({super.key, required this.child});
 
   final Widget child;
 
diff --git a/flutter/lib/src/sentry_flutter_options.dart b/flutter/lib/src/sentry_flutter_options.dart
index 1a71a0d37e..3806397465 100644
--- a/flutter/lib/src/sentry_flutter_options.dart
+++ b/flutter/lib/src/sentry_flutter_options.dart
@@ -10,8 +10,7 @@ import 'screenshot/sentry_screenshot_quality.dart';
 /// Note that some of these options require native Sentry integration, which is
 /// not available on all platforms.
 class SentryFlutterOptions extends SentryOptions {
-  SentryFlutterOptions({String? dsn, PlatformChecker? checker})
-      : super(dsn: dsn, checker: checker) {
+  SentryFlutterOptions({super.dsn, super.checker}) {
     enableBreadcrumbTrackingForCurrentPlatform();
   }
 
diff --git a/flutter/lib/src/user_interaction/sentry_user_interaction_widget.dart b/flutter/lib/src/user_interaction/sentry_user_interaction_widget.dart
index f98a919065..94d364899e 100644
--- a/flutter/lib/src/user_interaction/sentry_user_interaction_widget.dart
+++ b/flutter/lib/src/user_interaction/sentry_user_interaction_widget.dart
@@ -234,10 +234,10 @@ Element? _clickTrackerElement;
 /// [SentryUserInteractionWidget] as a child of [SentryScreenshotWidget].
 class SentryUserInteractionWidget extends StatefulWidget {
   SentryUserInteractionWidget({
-    Key? key,
+    super.key,
     required this.child,
     @internal Hub? hub,
-  }) : super(key: key) {
+  }) {
     _hub = hub ?? HubAdapter();
 
     if (_options?.enableUserInteractionTracing ?? false) {
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index 0e321ab82f..d06f95e31e 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -26,7 +26,7 @@ dev_dependencies:
     sdk: flutter
   mockito: ^5.1.0
   yaml: ^3.1.0 # needed for version match (code and pubspec)
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
   collection: ^1.16.0
   remove_from_coverage: ^2.0.0
   flutter_localizations:
diff --git a/flutter/test/user_interaction/sentry_user_interaction_widget_test.dart b/flutter/test/user_interaction/sentry_user_interaction_widget_test.dart
index 02d1022157..a814bd0b54 100644
--- a/flutter/test/user_interaction/sentry_user_interaction_widget_test.dart
+++ b/flutter/test/user_interaction/sentry_user_interaction_widget_test.dart
@@ -327,7 +327,7 @@ class Fixture {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -340,7 +340,7 @@ class MyApp extends StatelessWidget {
 }
 
 class Page1 extends StatelessWidget {
-  const Page1({Key? key}) : super(key: key);
+  const Page1({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -416,7 +416,7 @@ class Page1 extends StatelessWidget {
 }
 
 class Page2 extends StatelessWidget {
-  const Page2({Key? key}) : super(key: key);
+  const Page2({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/flutter/test/view_hierarchy/sentry_tree_walker_test.dart b/flutter/test/view_hierarchy/sentry_tree_walker_test.dart
index c2048c3492..52d775529b 100644
--- a/flutter/test/view_hierarchy/sentry_tree_walker_test.dart
+++ b/flutter/test/view_hierarchy/sentry_tree_walker_test.dart
@@ -172,7 +172,7 @@ bool _findWidget(
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/flutter/test/view_hierarchy/view_hierarchy_event_processor_test.dart b/flutter/test/view_hierarchy/view_hierarchy_event_processor_test.dart
index 537b2cd9c4..6900ba5589 100644
--- a/flutter/test/view_hierarchy/view_hierarchy_event_processor_test.dart
+++ b/flutter/test/view_hierarchy/view_hierarchy_event_processor_test.dart
@@ -107,7 +107,7 @@ class Fixture {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {