diff --git a/packages/altfire_authenticator/lib/altfire_authenticator.dart b/packages/altfire_authenticator/lib/altfire_authenticator.dart
index 848fd5b..d39de2c 100644
--- a/packages/altfire_authenticator/lib/altfire_authenticator.dart
+++ b/packages/altfire_authenticator/lib/altfire_authenticator.dart
@@ -1,5 +1,5 @@
 /// altfire_authenticator with FlutterFire Authentication.
-library altfire_authenticator;
+library;
 
 export 'package:firebase_auth/firebase_auth.dart'
     show
diff --git a/packages/altfire_configurator/lib/altfire_configurator.dart b/packages/altfire_configurator/lib/altfire_configurator.dart
index 57a9e06..ee03bf2 100644
--- a/packages/altfire_configurator/lib/altfire_configurator.dart
+++ b/packages/altfire_configurator/lib/altfire_configurator.dart
@@ -1,5 +1,5 @@
 /// altfire_configurator with FlutterFire Remote Config.
-library altfire_configurator;
+library;
 
 export 'src/config.dart';
 export 'src/configurator.dart';
diff --git a/packages/altfire_messenger/lib/altfire_messenger.dart b/packages/altfire_messenger/lib/altfire_messenger.dart
index 06a631d..8c5ae7f 100644
--- a/packages/altfire_messenger/lib/altfire_messenger.dart
+++ b/packages/altfire_messenger/lib/altfire_messenger.dart
@@ -1,6 +1,6 @@
 /// altfire_messenger with FlutterFire Messaging, Local Notifications,
 /// In-App Messaging, and Firebase Installation ID.
-library altfire_messenger;
+library;
 
 export 'package:firebase_messaging/firebase_messaging.dart'
     show AuthorizationStatus;
diff --git a/packages/altfire_tracker/lib/altfire_tracker.dart b/packages/altfire_tracker/lib/altfire_tracker.dart
index 8347559..f671c69 100644
--- a/packages/altfire_tracker/lib/altfire_tracker.dart
+++ b/packages/altfire_tracker/lib/altfire_tracker.dart
@@ -1,5 +1,5 @@
 /// altfire_tracker with FlutterFire Analytics and Crashlytics.
-library altfire_tracker;
+library;
 
 export 'package:firebase_crashlytics_platform_interface/firebase_crashlytics_platform_interface.dart'
     show MethodChannelFirebaseCrashlytics;