diff --git a/packages/shelf_flutter_app/pubspec.yaml b/packages/shelf_flutter_app/pubspec.yaml
index c034469..6f1dc0e 100644
--- a/packages/shelf_flutter_app/pubspec.yaml
+++ b/packages/shelf_flutter_app/pubspec.yaml
@@ -22,4 +22,4 @@ dependencies:
 dev_dependencies:
   mocktail: ^1.0.0
   test: ^1.19.2
-  coolint: 2.0.0
+  coolint: 2.1.2