diff --git a/CHANGELOG.md b/CHANGELOG.md
index b34f357..b89e7c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 2.3.0
+
+- ✨ Add superclass parameter case
+- 🚨 Add lint rules
+- ⬆️ Upgrade analyzer, cli_completion, file, mason_logger, path, mocktail, test
+
 ## 2.2.1
 
 - 🐛 When method has same name of key
diff --git a/README.md b/README.md
index ee97af9..e301ee1 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,29 @@ class MyWidget extends StatelessWidget {
 }
 ```
 
+```dart
+abstract class MySuperWidget extends StatelessWidget {
+  const MySuperWidget({
+    required this.l10n,
+    super.key,
+  });
+
+  final AppLocalizations l10n;
+}
+
+class MyWidget extends MySuperWidget {
+  const MyWidget({
+    required super.l10n,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Text(l10n.helloMoon);
+  }
+}
+```
+
 ```dart
 extension AppLocalizationsExtension on AppLocalizations {
   String byKey(final String value) {
diff --git a/lib/src/version.dart b/lib/src/version.dart
index 5022a53..3692591 100644
--- a/lib/src/version.dart
+++ b/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '2.2.1';
+const packageVersion = '2.3.0';
diff --git a/pubspec.yaml b/pubspec.yaml
index e883a70..b3911f5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: l10nization_cli
 description: A Command-Line Interface to find unused l10n translations from an arb file.
-version: 2.2.1
+version: 2.3.0
 homepage: https://github.com/lsaudon/l10nization_cli
 repository: https://github.com/lsaudon/l10nization_cli
 issue_tracker: https://github.com/lsaudon/l10nization_cli/issues