diff --git a/app/radio_qth_map/pubspec.yaml b/app/radio_qth_map/pubspec.yaml
index 0f6d1c8..99ff3f9 100644
--- a/app/radio_qth_map/pubspec.yaml
+++ b/app/radio_qth_map/pubspec.yaml
@@ -19,7 +19,7 @@ dependencies:
   freezed: ^2.4.5
   freezed_annotation: ^2.4.1
   json_annotation: ^4.8.1
-  firebase_core: ^2.22.0
+  firebase_core: ^4.0.0
   cloud_firestore: ^4.13.1
   responsive_framework: ^1.1.1
   latlong2: ^0.9.0