diff --git a/pubspec.yaml b/pubspec.yaml
index 0e4d250..9669605 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ homepage: https://voximplant.com
 repository: https://github.com/voximplant/flutter_voximplant
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.12.0 <4.0.0'
   flutter: ">=1.20.0"
 
 dependencies:
@@ -15,7 +15,6 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  e2e: 0.6.0
   flutter_driver:
     sdk: flutter