diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4e524c..c096035 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.13.3+1
+
+* Fixes analyzer error.
+
 ## 0.13.3
 
 * Adds support for shadow host selectors `:host()` and `:host-context()`.
diff --git a/lib/css.dart b/lib/css.dart
index c417354..e7ef534 100644
--- a/lib/css.dart
+++ b/lib/css.dart
@@ -10,7 +10,7 @@
 import 'package:source_span/source_span.dart';
 
 import 'parser.dart';
-import 'src/messages.dart' show Messages;
+import 'src/messages.dart';
 import 'visitor.dart';
 
 void main(List<String> arguments) {
diff --git a/pubspec.yaml b/pubspec.yaml
index f1cac20..816ee6a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: csslib
-version: 0.13.3
+version: 0.13.3+1
 author: Dart Team <misc@dartlang.org>
 description: A library for parsing CSS.
 homepage: https://github.com/dart-lang/csslib