diff --git a/packages/altfire_messenger/pubspec.yaml b/packages/altfire_messenger/pubspec.yaml
index 9c6a725..9919bf1 100644
--- a/packages/altfire_messenger/pubspec.yaml
+++ b/packages/altfire_messenger/pubspec.yaml
@@ -17,7 +17,7 @@ dependencies:
   firebase_messaging: ^15.1.3
   flutter:
     sdk: flutter
-  flutter_local_notifications: ^18.0.1
+  flutter_local_notifications: ">=18.0.1 <20.0.0"
   timezone: ^0.10.0
 
 dev_dependencies: