⚙️ Restrict environment to guard against breaking changes

HofmannZ · HofmannZ · commit 120854377d40 · 2018-08-10T13:05:16.000+02:00
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -19,4 +19,4 @@ dev_dependencies:
     sdk: flutter
 
 environment:
-  sdk: ">=2.0.0-dev.52.0"
+  sdk: ">=2.0.0-dev.52.0 <3.0.0"
