Bump max Dart SDK version to 2.0.0-dev.infinity (#13)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42ce77f..3c99300 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 2.1.1
+
+* Bumped maximum Dart SDK version to 2.0.0-dev.infinity
+
 ### 2.1.0
 
 * Added `localeName`
diff --git a/pubspec.yaml b/pubspec.yaml
index 591da6f..f12e9f1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: platform
-version: 2.1.0
+version: 2.1.1
 authors:
 - Todd Volkert <tvolkert@google.com>
 description: A pluggable, mockable platform abstraction for Dart.
@@ -9,4 +9,4 @@
   test: ^0.12.10
 
 environment:
-  sdk: '>=1.24.0-dev.0.0 <2.0.0'
+  sdk: '>=1.24.0-dev.0.0 <2.0.0-dev.infinity '