diff --git a/pubspec.yaml b/pubspec.yaml
index 28e5232..9e8a5a0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -28,7 +28,7 @@ dependencies:
   crypto: ^3.0.3
 
 dev_dependencies:
-  flutter_lints: ^4.0.0
+  flutter_lints: 6.0.0
   flutter_test:
     sdk: flutter