Bump minimum to 2.1.1, for pedantic
diff --git a/.travis.yml b/.travis.yml
index 47f62b8..5ba5076 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: dart
 
 dart:
-  - 2.1.0
+  - 2.1.1
   - dev
 
 dart_task:
diff --git a/pubspec.yaml b/pubspec.yaml
index 52b6f0f..dc78335 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -7,7 +7,7 @@
 homepage: https://github.com/dart-lang/http_multi_server
 
 environment:
-  sdk: '>=2.1.0 <3.0.0'
+  sdk: '>=2.1.1 <3.0.0'
 
 dependencies:
   async: '>=1.2.0 <3.0.0'