diff --git a/packages/xandr_ios/pubspec.yaml b/packages/xandr_ios/pubspec.yaml
index fec8771..3c97255 100644
--- a/packages/xandr_ios/pubspec.yaml
+++ b/packages/xandr_ios/pubspec.yaml
@@ -27,6 +27,6 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   mockito: ^5.4.4
-  pigeon: ^20.0.1
+  pigeon: ">=20.0.1 <22.0.0"
   plugin_platform_interface: ^2.1.8
   very_good_analysis: ^6.0.0