diff --git a/packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md b/packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md
index eb16024575bb..3d962dd42c65 100644
--- a/packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md
+++ b/packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 2.0.2
+
+* Fix null-safety annotation when calling isMarkerInfoWindowShown, because the code generated by 
+  the migration tool gave an error relative to the method signature.
+
 ## 2.0.1
 
 * Update platform_plugin_interface version requirement.
diff --git a/packages/google_maps_flutter/google_maps_flutter/pubspec.yaml b/packages/google_maps_flutter/google_maps_flutter/pubspec.yaml
index d30c9d030de6..e37faebbb42c 100644
--- a/packages/google_maps_flutter/google_maps_flutter/pubspec.yaml
+++ b/packages/google_maps_flutter/google_maps_flutter/pubspec.yaml
@@ -1,7 +1,7 @@
 name: google_maps_flutter
 description: A Flutter plugin for integrating Google Maps in iOS and Android applications.
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_maps_flutter/google_maps_flutter
-version: 2.0.1
+version: 2.0.2
 
 dependencies:
   flutter:
diff --git a/packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/method_channel/method_channel_google_maps_flutter.dart b/packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/method_channel/method_channel_google_maps_flutter.dart
index 3d16127ab7a9..54dce400691b 100644
--- a/packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/method_channel/method_channel_google_maps_flutter.dart
+++ b/packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/method_channel/method_channel_google_maps_flutter.dart
@@ -414,10 +414,10 @@ class MethodChannelGoogleMapsFlutter extends GoogleMapsFlutterPlatform {
   Future<bool> isMarkerInfoWindowShown(
     MarkerId markerId, {
     required int mapId,
-  }) {
+  }) async {
     assert(markerId != null);
-    return channel(mapId).invokeMethod<bool>('markers#isInfoWindowShown',
-        <String, String>{'markerId': markerId.value}) as Future<bool>;
+    return (await channel(mapId).invokeMethod<bool>('markers#isInfoWindowShown',
+        <String, String>{'markerId': markerId.value}))! ;
   }
 
   @override