diff --git a/packages/flutterfire_remote_parameter_fetcher/example/lib/main.dart b/packages/flutterfire_remote_parameter_fetcher/example/lib/main.dart
index 355699b..41d25cc 100644
--- a/packages/flutterfire_remote_parameter_fetcher/example/lib/main.dart
+++ b/packages/flutterfire_remote_parameter_fetcher/example/lib/main.dart
@@ -38,7 +38,9 @@ class _MainAppState extends State<MainApp> {
       'int_parameter',
       onConfigUpdated: (value) {
         debugPrint('remoteParameter value changed: $value');
-        _intParameterValue = value;
+        setState(() {
+          _intParameterValue = value;
+        });
       },
     );
     _intParameterValue = _intRemoteParameter.value;