diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50742fa2..c79798a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [1.12.3]
+* Added support for `routerConfig` to `MacosApp.router`. ([#388](https://github.com/macosui/macos_ui/issues/388))
+
 ## [1.12.2]
 * Fixed a bug where clicking on a overflowed toolbar item with a navigation callback wouldn't work ([#346](https://github.com/GroovinChip/macos_ui/issues/346)).
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index cf8e59b8..546efaa5 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -97,7 +97,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.12.2"
+    version: "1.12.3"
   matcher:
     dependency: transitive
     description:
diff --git a/lib/src/macos_app.dart b/lib/src/macos_app.dart
index c4068f30..a430ce1b 100644
--- a/lib/src/macos_app.dart
+++ b/lib/src/macos_app.dart
@@ -74,15 +74,17 @@ class MacosApp extends StatefulWidget {
   })  : routeInformationProvider = null,
         routeInformationParser = null,
         routerDelegate = null,
-        backButtonDispatcher = null;
+        backButtonDispatcher = null,
+        routerConfig = null;
 
   /// Creates a [MacosApp] that uses the [Router] instead of a [Navigator].
   MacosApp.router({
     super.key,
     this.routeInformationProvider,
-    required RouteInformationParser<Object> this.routeInformationParser,
-    required RouterDelegate<Object> this.routerDelegate,
+    this.routeInformationParser,
+    this.routerDelegate,
     this.backButtonDispatcher,
+    this.routerConfig,
     this.builder,
     this.title = '',
     this.onGenerateTitle,
@@ -104,7 +106,8 @@ class MacosApp extends StatefulWidget {
     this.themeMode,
     this.theme,
     this.darkTheme,
-  })  : assert(supportedLocales.isNotEmpty),
+  })  : assert(routerDelegate != null || routerConfig != null),
+        assert(supportedLocales.isNotEmpty),
         navigatorObservers = null,
         navigatorKey = null,
         onGenerateRoute = null,
@@ -157,6 +160,9 @@ class MacosApp extends StatefulWidget {
   /// {@macro flutter.widgets.widgetsApp.backButtonDispatcher}
   final BackButtonDispatcher? backButtonDispatcher;
 
+  /// {@macro flutter.widgets.widgetsApp.routerConfig}
+  final RouterConfig<Object>? routerConfig;
+
   /// {@macro flutter.widgets.widgetsApp.builder}
   final TransitionBuilder? builder;
 
@@ -300,7 +306,8 @@ class MacosApp extends StatefulWidget {
 }
 
 class _MacosAppState extends State<MacosApp> {
-  bool get _usesRouter => widget.routerDelegate != null;
+  bool get _usesRouter =>
+      widget.routerDelegate != null || widget.routerConfig != null;
 
   Widget _macosBuilder(BuildContext context, Widget? child) {
     final mode = widget.themeMode ?? ThemeMode.system;
@@ -346,9 +353,10 @@ class _MacosAppState extends State<MacosApp> {
       return c.CupertinoApp.router(
         key: GlobalObjectKey(this),
         routeInformationProvider: widget.routeInformationProvider,
-        routeInformationParser: widget.routeInformationParser!,
-        routerDelegate: widget.routerDelegate!,
+        routeInformationParser: widget.routeInformationParser,
+        routerDelegate: widget.routerDelegate,
         backButtonDispatcher: widget.backButtonDispatcher,
+        routerConfig: widget.routerConfig,
         builder: _macosBuilder,
         title: widget.title,
         onGenerateTitle: widget.onGenerateTitle,
diff --git a/pubspec.yaml b/pubspec.yaml
index 4d660503..7e1d73a1 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: 1.12.2
+version: 1.12.3
 homepage: "https://macosui.dev"
 repository: "https://github.com/GroovinChip/macos_ui"