diff --git a/in_app_purchases/step_10/dart-backend/pubspec.yaml b/in_app_purchases/step_10/dart-backend/pubspec.yaml
index 4d543b98a6..70d359a8fd 100644
--- a/in_app_purchases/step_10/dart-backend/pubspec.yaml
+++ b/in_app_purchases/step_10/dart-backend/pubspec.yaml
@@ -15,5 +15,5 @@ dependencies:
   app_store_server_sdk: ^1.2.5
 
 dev_dependencies:
-  lints: ^2.0.0
+  lints: ">=2.0.0 <4.0.0"
   test: ^1.16.0