diff --git a/example/pubspec.lock b/example/pubspec.lock
index d794cef..103ba7b 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -137,7 +137,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.4.1"
+    version: "0.4.2"
   path:
     dependency: transitive
     description:
diff --git a/lib/src/ui/number_paginator.dart b/lib/src/ui/number_paginator.dart
index 70b0d44..ede1c1d 100644
--- a/lib/src/ui/number_paginator.dart
+++ b/lib/src/ui/number_paginator.dart
@@ -71,7 +71,7 @@ class NumberPaginator extends StatefulWidget {
 
   /// Creates an instance of [NumberPaginator].
   const NumberPaginator({
-    Key? key,
+    super.key,
     required this.numberPages,
     this.initialPage = 0,
     this.onPageChange,
@@ -85,11 +85,10 @@ class NumberPaginator extends StatefulWidget {
     this.prevButtonBuilder,
     this.nextButtonBuilder,
   })  : assert(initialPage >= 0),
-        assert(initialPage <= numberPages - 1),
-        super(key: key);
+        assert(initialPage <= numberPages - 1);
 
   const NumberPaginator.noPrevNextButtons({
-    Key? key,
+    super.key,
     required this.numberPages,
     this.initialPage = 0,
     this.onPageChange,
@@ -103,8 +102,7 @@ class NumberPaginator extends StatefulWidget {
         prevButtonBuilder = null,
         nextButtonBuilder = null,
         assert(initialPage >= 0),
-        assert(initialPage <= numberPages - 1),
-        super(key: key);
+        assert(initialPage <= numberPages - 1);
 
   @override
   NumberPaginatorState createState() => NumberPaginatorState();
diff --git a/lib/src/ui/widgets/buttons/paginator_button.dart b/lib/src/ui/widgets/buttons/paginator_button.dart
index b045402..f5ed2d0 100644
--- a/lib/src/ui/widgets/buttons/paginator_button.dart
+++ b/lib/src/ui/widgets/buttons/paginator_button.dart
@@ -13,11 +13,11 @@ class PaginatorButton extends StatelessWidget {
 
   /// Creates an instance of [PaginatorButton].
   const PaginatorButton({
-    Key? key,
+    super.key,
     required this.onPressed,
     required this.child,
     this.selected = false,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/src/ui/widgets/inherited_number_paginator.dart b/lib/src/ui/widgets/inherited_number_paginator.dart
index 969bc58..cd63cd6 100644
--- a/lib/src/ui/widgets/inherited_number_paginator.dart
+++ b/lib/src/ui/widgets/inherited_number_paginator.dart
@@ -18,13 +18,13 @@ class InheritedNumberPaginator extends InheritedWidget {
   final NumberPaginatorUIConfig config;
 
   const InheritedNumberPaginator({
-    Key? key,
+    super.key,
     required this.numberPages,
     this.initialPage = 0,
     this.onPageChange,
     required this.config,
-    required Widget child,
-  }) : super(key: key, child: child);
+    required super.child,
+  });
 
   static InheritedNumberPaginator of(BuildContext context) {
     final InheritedNumberPaginator? result =
diff --git a/lib/src/ui/widgets/paginator_content.dart b/lib/src/ui/widgets/paginator_content.dart
index 88793f8..3f140cb 100644
--- a/lib/src/ui/widgets/paginator_content.dart
+++ b/lib/src/ui/widgets/paginator_content.dart
@@ -8,9 +8,9 @@ class PaginatorContent extends StatelessWidget {
   final int currentPage;
 
   const PaginatorContent({
-    Key? key,
+    super.key,
     required this.currentPage,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/src/ui/widgets/paginator_content/dropdown_content.dart b/lib/src/ui/widgets/paginator_content/dropdown_content.dart
index af8773c..c272615 100644
--- a/lib/src/ui/widgets/paginator_content/dropdown_content.dart
+++ b/lib/src/ui/widgets/paginator_content/dropdown_content.dart
@@ -5,9 +5,9 @@ class DropDownContent extends StatelessWidget {
   final int currentPage;
 
   const DropDownContent({
-    Key? key,
+    super.key,
     required this.currentPage,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/src/ui/widgets/paginator_content/number_content.dart b/lib/src/ui/widgets/paginator_content/number_content.dart
index ccb9591..6db3598 100644
--- a/lib/src/ui/widgets/paginator_content/number_content.dart
+++ b/lib/src/ui/widgets/paginator_content/number_content.dart
@@ -9,9 +9,9 @@ class NumberContent extends StatelessWidget {
   final int currentPage;
 
   const NumberContent({
-    Key? key,
+    super.key,
     required this.currentPage,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {