diff --git a/add_to_app/books/flutter_module_books/pubspec.yaml b/add_to_app/books/flutter_module_books/pubspec.yaml
index fca9a5868..d0c9e9ad3 100644
--- a/add_to_app/books/flutter_module_books/pubspec.yaml
+++ b/add_to_app/books/flutter_module_books/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     sdk: flutter
 
 dev_dependencies:
-  pigeon: ">=2.0.2 <8.0.0"
+  pigeon: ">=2.0.2 <9.0.0"
   flutter_test:
     sdk: flutter
   flutter_lints: ^2.0.1