diff --git a/example/lib/main.dart b/example/lib/main.dart
index ef99be3..45bd007 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -173,8 +173,8 @@ class _CustomSearchScaffoldState extends PlacesAutocompleteState {
       onTap: (p) {
         displayPrediction(p, context);
       },
-      logo: Row(
-        children: const [FlutterLogo()],
+      logo: const Row(
+        children: [FlutterLogo()],
         mainAxisAlignment: MainAxisAlignment.center,
       ),
     );
diff --git a/lib/src/flutter_google_places.dart b/lib/src/flutter_google_places.dart
index a451c36..0bb2f7a 100644
--- a/lib/src/flutter_google_places.dart
+++ b/lib/src/flutter_google_places.dart
@@ -64,7 +64,7 @@ class PlacesAutocompleteWidget extends StatefulWidget {
     this.region,
     this.logo,
     this.onError,
-    Key? key,
+    super.key,
     this.proxyBaseUrl,
     this.httpClient,
     this.startText,
@@ -73,7 +73,7 @@ class PlacesAutocompleteWidget extends StatefulWidget {
     this.textStyle,
     this.themeData,
     this.resultTextStyle,
-  }) : super(key: key);
+  });
 
   @override
   State<PlacesAutocompleteWidget> createState() =>
@@ -142,7 +142,7 @@ class _PlacesAutocompleteOverlayState extends PlacesAutocompleteState {
               ],
             ),
           ),
-          const Divider()
+          const Divider(),
         ],
       );
 
@@ -259,11 +259,11 @@ class PlacesAutocompleteResult extends StatefulWidget {
   final TextStyle? resultTextStyle;
 
   const PlacesAutocompleteResult({
-    Key? key,
+    super.key,
     this.onTap,
     this.logo,
     this.resultTextStyle,
-  }) : super(key: key);
+  });
 
   @override
   PlacesAutocompleteResultState createState() =>
@@ -298,10 +298,10 @@ class AppBarPlacesAutoCompleteTextField extends StatefulWidget {
   final TextStyle? textStyle;
 
   const AppBarPlacesAutoCompleteTextField({
-    Key? key,
+    super.key,
     this.textDecoration,
     this.textStyle,
-  }) : super(key: key);
+  });
 
   @override
   AppBarPlacesAutoCompleteTextFieldState createState() =>
@@ -347,8 +347,8 @@ class AppBarPlacesAutoCompleteTextFieldState
   TextStyle _defaultStyle() {
     return TextStyle(
       color: Theme.of(context).brightness == Brightness.light
-          ? Colors.black.withOpacity(0.9)
-          : Colors.white.withOpacity(0.9),
+          ? Colors.black.withValues(alpha:0.9)
+          : Colors.white.withValues(alpha:0.9),
       fontSize: 16.0,
     );
   }
@@ -360,7 +360,7 @@ class PoweredByGoogleImage extends StatelessWidget {
   static const _poweredByGoogleBlack =
       "packages/flutter_google_places/assets/google_black.png";
 
-  const PoweredByGoogleImage({Key? key}) : super(key: key);
+  const PoweredByGoogleImage({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -375,7 +375,7 @@ class PoweredByGoogleImage extends StatelessWidget {
                 : _poweredByGoogleBlack,
             scale: 2.5,
           ),
-        )
+        ),
       ],
     );
   }
@@ -387,11 +387,11 @@ class PredictionsListView extends StatelessWidget {
   final TextStyle? resultTextStyle;
 
   const PredictionsListView({
-    Key? key,
+    super.key,
     required this.predictions,
     this.onTap,
     this.resultTextStyle,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -415,11 +415,11 @@ class PredictionTile extends StatelessWidget {
   final TextStyle? resultTextStyle;
 
   const PredictionTile({
-    Key? key,
+    super.key,
     required this.prediction,
     this.onTap,
     this.resultTextStyle,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/src/places_autocomplete_field.dart b/lib/src/places_autocomplete_field.dart
index cd16a99..ce01069 100644
--- a/lib/src/places_autocomplete_field.dart
+++ b/lib/src/places_autocomplete_field.dart
@@ -36,7 +36,7 @@ class PlacesAutocompleteField extends StatefulWidget {
   /// by the decoration to save space for the labels), set the [decoration] to
   /// null.
   const PlacesAutocompleteField({
-    Key? key,
+    super.key,
     required this.apiKey,
     this.controller,
     this.leading,
@@ -59,7 +59,7 @@ class PlacesAutocompleteField extends StatefulWidget {
     this.overlayBorderRadius,
     this.textStyle,
     this.textStyleFormField,
-  }) : super(key: key);
+  });
 
   /// Controls the text being edited.
   ///
@@ -239,7 +239,7 @@ class LocationAutocompleteFieldState extends State<PlacesAutocompleteField> {
                   ),
           )
         else
-          const SizedBox()
+          const SizedBox(),
       ],
     );
 
diff --git a/lib/src/places_autocomplete_form_field.dart b/lib/src/places_autocomplete_form_field.dart
index 9526ead..377e607 100644
--- a/lib/src/places_autocomplete_form_field.dart
+++ b/lib/src/places_autocomplete_form_field.dart
@@ -40,7 +40,7 @@ class PlacesAutocompleteFormField extends FormField<String> {
   /// to [initalValue] or the empty string.
   ///
   /// For documentation about the various parameters, see the [PlacesAutocompleteField] class
-  /// and [new PlacesAutocompleteField], the constructor.
+  /// and [PlacesAutocompleteField], the constructor.
   PlacesAutocompleteFormField({
     Key? key,
     required String apiKey,
diff --git a/pubspec.yaml b/pubspec.yaml
index 14c8af2..fe8d075 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,24 +1,24 @@
 name: flutter_google_places
 description: Google places autocomplete widgets for flutter. No wrapper, use https://pub.dev/packages/google_maps_webservice
-version: 0.4.0
+version: 0.6.0
 repository: https://github.com/fluttercommunity/flutter_google_places
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0 <4.0.0'
   flutter: ">=1.17.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  google_api_headers: ^1.3.0
+  google_api_headers: ^4.3.0
   google_maps_webservice: ^0.0.20-nullsafety.5
-  http: ^0.13.4
-  rxdart: ^0.27.5
+  http: ">=0.13.4 <2.0.0"
+  rxdart: ^0.28.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  lint: ^1.10.0
+  lint: ^2.3.0
 
 flutter:
   assets: