diff --git a/dio/pubspec.yaml b/dio/pubspec.yaml
index 9c0c4b31a1..c174f3ffd2 100644
--- a/dio/pubspec.yaml
+++ b/dio/pubspec.yaml
@@ -23,7 +23,7 @@ dependencies:
 
 dev_dependencies:
   meta: ^1.3.0
-  lints: ^3.0.0
+  lints: ^4.0.0
   test: ^1.21.1
   coverage: ^1.3.0
   mockito: ^5.1.0
diff --git a/dio/test/version_test.dart b/dio/test/version_test.dart
index 551d07a4c3..2e0c6a8b14 100644
--- a/dio/test/version_test.dart
+++ b/dio/test/version_test.dart
@@ -1,4 +1,5 @@
 @TestOn('vm')
+library dio_test;
 
 import 'dart:io';