diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf9edf5f..7db6c310 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [2.1.7]
+### 🔄 Updated 🔄
+* Expose `WindowMainStateListener` and implement `overrideIsMainWindow` method to allow for the window’s main state to be overridden.
+
 ## [2.1.6]
 ### 🔄 Updated 🔄
 * add `section` parameter to `SidebarItem` to display an unclickable widget in the sidebar as a section header (thanks, [@whirlun](https://github.com/whirlun)).
diff --git a/lib/macos_ui.dart b/lib/macos_ui.dart
index d47a163a..f444deac 100644
--- a/lib/macos_ui.dart
+++ b/lib/macos_ui.dart
@@ -89,3 +89,4 @@ export 'src/theme/time_picker_theme.dart';
 export 'src/theme/tooltip_theme.dart';
 export 'src/theme/typography.dart';
 export 'src/enums/accent_color.dart';
+export 'src/utils/window_main_state_listener.dart';
diff --git a/lib/src/utils/window_main_state_listener.dart b/lib/src/utils/window_main_state_listener.dart
index c926f2b3..7d50da15 100644
--- a/lib/src/utils/window_main_state_listener.dart
+++ b/lib/src/utils/window_main_state_listener.dart
@@ -42,12 +42,23 @@ class WindowMainStateListener {
   /// Whether the window is currently the main window.
   bool _isMainWindow = true;
 
+  /// Overrides the value of [_isMainWindow].
+  bool? _isMainWindowOverride;
+
   /// Whether the window is currently the main window.
-  bool get isMainWindow => _isMainWindow;
+  bool get isMainWindow => _isMainWindowOverride ?? _isMainWindow;
 
   /// Notifies listeners when the window’s main state changes.
   final _windowMainStateStreamController = StreamController<bool>.broadcast();
 
+  /// Overrides the value of [isMainWindow].
+  ///
+  /// Passing `null` will remove the override.
+  void overrideIsMainWindow(bool? value) {
+    _isMainWindowOverride = value;
+    _windowMainStateStreamController.add(isMainWindow);
+  }
+
   /// A stream of the window’s main state. Emits a new value whenever the state
   /// changes.
   Stream<bool> get onChanged => _windowMainStateStreamController.stream;
diff --git a/pubspec.yaml b/pubspec.yaml
index 158a7a29..602bfec7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: macos_ui
 description: Flutter widgets and themes implementing the current macOS design language.
-version: 2.1.6
+version: 2.1.7
 homepage: "https://macosui.dev"
 repository: "https://github.com/GroovinChip/macos_ui"