diff --git a/flare_flutter/lib/provider/asset_flare.dart b/flare_flutter/lib/provider/asset_flare.dart
index 5b7345c..851c85d 100644
--- a/flare_flutter/lib/provider/asset_flare.dart
+++ b/flare_flutter/lib/provider/asset_flare.dart
@@ -1,5 +1,4 @@
 import 'package:flare_flutter/asset_provider.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:meta/meta.dart';
 
@@ -22,7 +21,7 @@ class AssetFlare extends AssetProvider {
   });
 
   @override
-  int get hashCode => hashValues(bundle, name);
+  int get hashCode => Object.hash(bundle, name);
 
   @override
   bool operator ==(dynamic other) {
diff --git a/flare_flutter/pubspec.yaml b/flare_flutter/pubspec.yaml
index 14546ce..b4de7fa 100644
--- a/flare_flutter/pubspec.yaml
+++ b/flare_flutter/pubspec.yaml
@@ -14,4 +14,4 @@ dev_dependencies:
     sdk: flutter
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.14.0 <3.0.0"