diff --git a/example/lib/main.dart b/example/lib/main.dart
index d1b5541..aa068c7 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -173,9 +173,13 @@ class _MyAppState extends State<MyApp> {
             ),
             Padding(
               padding: const EdgeInsets.all(8.0),
-              child: RaisedButton(
-                color: Theme.of(context).accentColor,
-                padding: EdgeInsets.symmetric(vertical: 16),
+              child: ElevatedButton(
+                style: ButtonStyle(
+                  backgroundColor: MaterialStateProperty.resolveWith(
+                      (states) => Theme.of(context).accentColor),
+                  padding: MaterialStateProperty.resolveWith(
+                      (states) => EdgeInsets.symmetric(vertical: 16)),
+                ),
                 child: Text("SEND",
                     style: Theme.of(context).accentTextTheme.button),
                 onPressed: () {
diff --git a/lib/src/flutter_sms_platform.dart b/lib/src/flutter_sms_platform.dart
index 5044b0e..c250a34 100644
--- a/lib/src/flutter_sms_platform.dart
+++ b/lib/src/flutter_sms_platform.dart
@@ -6,7 +6,6 @@ import 'package:flutter/services.dart';
 import 'package:flutter_user_agent/flutter_user_agent.dart';
 import 'package:plugin_platform_interface/plugin_platform_interface.dart';
 import 'package:url_launcher/url_launcher.dart';
-import 'package:flutter_user_agent/flutter_user_agent.dart';
 
 const MethodChannel _channel = MethodChannel('flutter_sms');
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 7e87204..be303cb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -12,10 +12,10 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  url_launcher: ^5.4.2
+  url_launcher: ^6.0.2
   flutter_web_plugins:
     sdk: flutter
-  plugin_platform_interface: ^1.0.1
+  plugin_platform_interface: ^2.0.0
   flutter_user_agent: ^1.2.2
 
 dev_dependencies:
@@ -32,6 +32,6 @@ flutter:
         pluginClass: FlutterSmsPlugin
       # macos:
       #   pluginClass: FlutterSmsPlugin
-     # web:
-       # pluginClass: FlutterSmsPlugin
-       # fileName: flutter_sms_web.dart
+      # web:
+      # pluginClass: FlutterSmsPlugin
+      # fileName: flutter_sms_web.dart