diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 3b0ea2e..bd78171 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -5,13 +5,16 @@ description: Demonstrates how to use the app_review plugin.
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.16.0 <3.0.0'
+
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
 
-  cupertino_icons: ^1.0.5
+
+  cupertino_icons: ^1.0.6
+
 
 dev_dependencies:
   flutter_test:
diff --git a/pubspec.yaml b/pubspec.yaml
index 2e8a4cb..e3cccae 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,13 +6,15 @@ homepage: https://github.com/rodydavis/plugins
 repository: https://github.com/fluttercommunity/app_review
 
 environment:
-  sdk: ">=2.16.0 <3.0.0"
+  sdk: '>=3.0.0 <4.0.0'
   flutter: ^1.10.0
 
 dependencies:
   http: ^1.1.0
-  package_info_plus: ^4.1.0
+
   url_launcher: ^6.1.7
+  package_info_plus: ^5.0.0
+  
   flutter:
     sdk: flutter