diff --git a/lib/src/version.dart b/lib/src/version.dart
index 05d57b42..8e979f94 100644
--- a/lib/src/version.dart
+++ b/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '0.22.9-dev';
+const packageVersion = '0.22.9';
diff --git a/pubspec.yaml b/pubspec.yaml
index 93dc2aff..3f047308 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: pana
 description: PAckage aNAlyzer - produce a report summarizing the health and quality of a Dart package.
-version: 0.22.9-dev
+version: 0.22.9
 repository: https://github.com/dart-lang/pana
 topics:
   - tool
diff --git a/test/tag/dart_sdk_libraries_test.dart b/test/tag/dart_sdk_libraries_test.dart
index 3a34de10..04316ad8 100644
--- a/test/tag/dart_sdk_libraries_test.dart
+++ b/test/tag/dart_sdk_libraries_test.dart
@@ -31,6 +31,7 @@ void main() {
         allLibraries.where((e) => !e.startsWith('_')).toList();
 
     final exempted = {
+      'concurrent',
       'vmservice',
       'vmservice_io',
     };