diff --git a/pubspec.yaml b/pubspec.yaml
index 3cb6975..e58457c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ author: Clovis Nicolas <clovisnicolas0@gmail.com>
 homepage: https://github.com/clovisnicolas/flutter_screen
 
 environment:
-  sdk: '>=2.0.0 <3.0.0'
+  sdk: '>=2.0.0-dev.28.0 <3.0.0'
 
 dependencies:
   flutter: