Update env sdk in pubspec.yaml

pauldemarco · Paul DeMarco · commit adb07178a98c · 2019-06-19T00:20:21.000-04:00
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -5,7 +5,7 @@ author: Paul DeMarco <paulmdemarco@gmail.com>
 homepage: https://github.com/pauldemarco/flutter_blue
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.1.0 <3.0.0"
 
 dependencies:
   flutter:
