diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index e8b2448..65703b1 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -47,7 +47,7 @@ jobs:
         # Add macos-latest and/or windows-latest if relevant for this package
         os: [ubuntu-latest]
         # Add stable if the package should also be tested on stable
-        sdk: [2.18.0, dev]
+        sdk: [2.19.0, dev]
     steps:
       - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
       - uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16515ba..f8374ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 * Change the validation of `mandatory` options; they now perform validation when
   the value is retrieved (from the `ArgResults` object), instead of when the
   args are parsed.
+* Require Dart 2.19.
 
 ## 2.4.1
 
diff --git a/analysis_options.yaml b/analysis_options.yaml
index a9dbdb5..424f0d3 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -1,27 +1,18 @@
 # https://dart.dev/guides/language/analysis-options
-include: package:lints/recommended.yaml
+
+include: package:dart_flutter_team_lints/analysis_options.yaml
 
 linter:
   rules:
-    - always_declare_return_types
-    - avoid_dynamic_calls
     - avoid_unused_constructor_parameters
     - cancel_subscriptions
     - comment_references
-    - directives_ordering
-    - lines_longer_than_80_chars
     - literal_only_boolean_expressions
     - missing_whitespace_between_adjacent_strings
     - no_adjacent_strings_in_list
     - no_runtimeType_toString
-    - omit_local_variable_types
     - package_api_docs
     - prefer_relative_imports
-    - prefer_single_quotes
     - test_types_in_equals
-    - throw_in_finally
-    - type_annotate_public_apis
-    - unawaited_futures
     - unnecessary_await_in_return
-    - unnecessary_lambdas
     - use_super_parameters
diff --git a/example/command_runner/draw.dart b/example/command_runner/draw.dart
index 3f0baec..35a3601 100644
--- a/example/command_runner/draw.dart
+++ b/example/command_runner/draw.dart
@@ -33,7 +33,7 @@ class SquareCommand extends Command<String> {
 
   @override
   FutureOr<String>? run() {
-    final size = int.parse(argResults?['size'] ?? '20');
+    final size = int.parse(argResults?['size'] as String? ?? '20');
     final char = (globalResults?['char'] as String?)?[0] ?? '#';
     return draw(size, size, char, (x, y) => true);
   }
@@ -55,7 +55,7 @@ class CircleCommand extends Command<String> {
 
   @override
   FutureOr<String>? run() {
-    final size = 2 * int.parse(argResults?['radius'] ?? '10');
+    final size = 2 * int.parse(argResults?['radius'] as String? ?? '10');
     final char = (globalResults?['char'] as String?)?[0] ?? '#';
     return draw(size, size, char, (x, y) => x * x + y * y < 1);
   }
@@ -93,7 +93,7 @@ class EquilateralTriangleCommand extends Command<String> {
 
   @override
   FutureOr<String>? run() {
-    final size = int.parse(argResults?['size'] ?? '20');
+    final size = int.parse(argResults?['size'] as String? ?? '20');
     final char = (globalResults?['char'] as String?)?[0] ?? '#';
     return drawTriangle(size, size * sqrt(3) ~/ 2, char);
   }
@@ -116,8 +116,8 @@ class IsoscelesTriangleCommand extends Command<String> {
 
   @override
   FutureOr<String>? run() {
-    final width = int.parse(argResults?['width'] ?? '50');
-    final height = int.parse(argResults?['height'] ?? '10');
+    final width = int.parse(argResults?['width'] as String? ?? '50');
+    final height = int.parse(argResults?['height'] as String? ?? '10');
     final char = (globalResults?['char'] as String?)?[0] ?? '#';
     return drawTriangle(width, height, char);
   }
diff --git a/lib/command_runner.dart b/lib/command_runner.dart
index 183264d..1845160 100644
--- a/lib/command_runner.dart
+++ b/lib/command_runner.dart
@@ -192,13 +192,13 @@ class CommandRunner<T> {
       commands = command._subcommands as Map<String, Command<T>>;
       commandString += ' ${argResults.name}';
 
-      if (argResults.options.contains('help') && argResults['help']) {
+      if (argResults.options.contains('help') && (argResults['help'] as bool)) {
         command.printUsage();
         return null;
       }
     }
 
-    if (topLevelResults['help']) {
+    if (topLevelResults['help'] as bool) {
       command!.printUsage();
       return null;
     }
diff --git a/pubspec.yaml b/pubspec.yaml
index dec55a9..3166e1d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,8 +9,8 @@ topics:
   - cli
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=2.19.0 <4.0.0'
 
 dev_dependencies:
-  lints: ^2.0.0
+  dart_flutter_team_lints: ^1.0.0
   test: ^1.16.0
diff --git a/test/command_runner_test.dart b/test/command_runner_test.dart
index 9031dd1..cc80c6b 100644
--- a/test/command_runner_test.dart
+++ b/test/command_runner_test.dart
@@ -755,5 +755,5 @@ class _MandatoryOptionCommand extends Command {
   String get name => 'mandatory-option-command';
 
   @override
-  String run() => argResults!['mandatory-option'];
+  String run() => argResults!['mandatory-option'] as String;
 }