Increase Dart SDK version
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 153e301..5fff9f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 0.6.2
 
 * Update `protobuf` dependency.
+* Set min SDK to `2.3.0`, as generated code contains this version.
 
 ## 0.6.1
 
diff --git a/pubspec.yaml b/pubspec.yaml
index f12ce89..0e6e222 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,7 +8,7 @@
 homepage: https://github.com/dart-lang/dart2js_info/
 
 environment:
-  sdk: '>=2.0.0-dev.17.0 <3.0.0'
+  sdk: '>=2.3.0 <3.0.0'
 
 dependencies:
   args: ^1.4.3