diff --git a/packages/flutterfire_cli/lib/src/commands/update.dart b/packages/flutterfire_cli/lib/src/commands/update.dart
index 143b8900..11c64afc 100644
--- a/packages/flutterfire_cli/lib/src/commands/update.dart
+++ b/packages/flutterfire_cli/lib/src/commands/update.dart
@@ -76,28 +76,29 @@ class UpdateCommand extends FlutterFireCommand {
     commandRequiresFlutterApp();
 
     logger.stdout('Cleaning up current workspace ...');
+    final flutterCmd = Platform.isWindows ? 'flutter.bat' : 'flutter';
     await Process.run(
-      'flutter',
+      flutterCmd,
       ['clean'],
     );
-    await Process.run(
-      'rm',
-      ['pubspec.lock'],
-    );
+    final pubspecLockFile = File('pubspec.lock');
+    if (pubspecLockFile.existsSync()) {
+      await pubspecLockFile.delete();
+    }
 
     logger.stdout('Upgrading all firebase plugins to the latest version ...');
     for (final package in flutterfirePackages) {
       // We run each package individually because chaining them
       // will fail at the first package not in the pubspec.
       await Process.run(
-        'flutter',
+        flutterCmd,
         ['pub', 'upgrade', '--major-versions', package],
       );
     }
 
     logger.stdout("Running 'flutter pub get'...");
     await Process.run(
-      'flutter',
+      flutterCmd,
       ['pub', 'get'],
     );