--- mustache4dart/pubspec.yaml.old	2018-08-06 10:02:45.152305202 -0700
+++ mustache4dart/pubspec.yaml	2018-08-06 10:02:53.036245297 -0700
@@ -4,7 +4,7 @@
 description: A mustache implementation for the Dart language
 homepage: https://github.com/valotas/mustache4dart
 environment:
-  sdk: '>=0.8.10+6 <2.0.0'
+  sdk: '>=0.8.10+6 <3.0.0'
 dev_dependencies:
   test: '>=0.12.0 <0.12.23'
   isolate: '>=1.0.0 <1.1.0'