diff --git a/simplistic_calculator/pubspec.yaml b/simplistic_calculator/pubspec.yaml
index 8d4963f8b..79c7d36de 100644
--- a/simplistic_calculator/pubspec.yaml
+++ b/simplistic_calculator/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   auto_size_text: ^3.0.0
   cupertino_icons: ^1.0.2
-  fluent_ui: ^3.11.1
+  fluent_ui: ^4.0.0
   fluentui_system_icons: ^1.1.168
   flutter:
     sdk: flutter