diff --git a/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/blocs/pin_code_bloc.dart b/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/blocs/pin_code_bloc.dart
index d8b80232..c6d9f11e 100644
--- a/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/blocs/pin_code_bloc.dart
+++ b/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/blocs/pin_code_bloc.dart
@@ -164,7 +164,7 @@ class PinCodeBloc extends $PinCodeBloc {
 
   /// Authenticates the user with biometrics after which the pin code is
   /// retrieved from the device and checked.
-  Future<bool> _authenticateWithBiometrics() async {
+  Future<bool?> _authenticateWithBiometrics() async {
     if (!await biometricAuthenticationService.isDeviceSupported) {
       throw ErrorEnableBiometrics(BiometricsMessage.notSupported);
     }
diff --git a/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/di/pin_code_dependencies.dart b/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/di/pin_code_dependencies.dart
index de0436e8..e6611b58 100644
--- a/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/di/pin_code_dependencies.dart
+++ b/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/di/pin_code_dependencies.dart
@@ -5,7 +5,6 @@ import 'package:widget_toolkit_biometrics/widget_toolkit_biometrics.dart';
 
 import '../../../widget_toolkit_pin.dart';
 import '../data_source/biometrics_disabled_local_data_source.dart';
-import '../data_source/pin_biometrics_auth_data_source.dart';
 import '../repositories/pin_biometrics_repository.dart';
 import '../services/pin_biometrics_service.dart';
 
@@ -14,22 +13,26 @@ class PinCodeDependencies {
     this.pinCodeService,
     this.biometricsLocalDataSource,
     this.localizedReason,
+    this.biometricsAuthDataSource,
   );
 
   factory PinCodeDependencies.from({
     required PinCodeService pinCodeService,
     required BiometricsLocalDataSource? biometricsLocalDataSource,
     required String localizedReason,
+    PinBiometricsAuthDataSource? biometricsAuthDataSource,
   }) =>
       PinCodeDependencies._(
         pinCodeService,
         biometricsLocalDataSource,
         localizedReason,
+        biometricsAuthDataSource,
       );
 
   final String localizedReason;
   final PinCodeService pinCodeService;
   final BiometricsLocalDataSource? biometricsLocalDataSource;
+  final PinBiometricsAuthDataSource? biometricsAuthDataSource;
 
   late List<SingleChildWidget> providers = [
     ..._localAuthentication,
@@ -47,9 +50,11 @@ class PinCodeDependencies {
 
   late final List<SingleChildWidget> _dataSources = [
     Provider<PinBiometricsAuthDataSource>(
-      create: (context) => PinBiometricsAuthDataSource(
-        localAuthentication: context.read<LocalAuthentication>(),
-      ),
+      create: (context) =>
+          biometricsAuthDataSource ??
+          PinBiometricsAuthDataSource(
+            localAuthentication: context.read<LocalAuthentication>(),
+          ),
     ),
     if (biometricsLocalDataSource == null)
       Provider<BiometricsLocalDataSource>(
diff --git a/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/ui_components/pin_code_keyboard.dart b/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/ui_components/pin_code_keyboard.dart
index af4c2c3f..7c93924c 100644
--- a/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/ui_components/pin_code_keyboard.dart
+++ b/packages/widget_toolkit_pin/lib/src/lib_pin_code_with_biometrics/ui_components/pin_code_keyboard.dart
@@ -47,6 +47,7 @@ class PinCodeKeyboard extends StatelessWidget {
     required this.pinCodeService,
     required this.translateError,
     this.biometricsLocalDataSource,
+    this.biometricsAuthDataSource,
     this.mapBiometricMessageToString,
     this.onAuthenticated,
     this.deleteKeyButton,
@@ -72,6 +73,11 @@ class PinCodeKeyboard extends StatelessWidget {
   /// for the package
   final BiometricsLocalDataSource? biometricsLocalDataSource;
 
+  /// Provides a contract for custom biometrics authentication plugin. If this
+  /// parameter is not provided, a default one will be used featuring
+  /// [LocalAuthentication] from the local_auth package
+  final PinBiometricsAuthDataSource? biometricsAuthDataSource;
+
   /// Callback called when the user authentication succeeds. It accepts a dynamic
   /// value which is forwarded from the `verifyPinCode` method of the [pinCodeService].
   final Function(dynamic)? onAuthenticated;
@@ -129,6 +135,7 @@ class PinCodeKeyboard extends StatelessWidget {
             ...PinCodeDependencies.from(
               pinCodeService: pinCodeService,
               biometricsLocalDataSource: biometricsLocalDataSource,
+              biometricsAuthDataSource: biometricsAuthDataSource,
               localizedReason: localizedReason ?? _enterPinWithBiometrics,
             ).providers,
           ],
diff --git a/packages/widget_toolkit_pin/lib/widget_toolkit_pin.dart b/packages/widget_toolkit_pin/lib/widget_toolkit_pin.dart
index cac77bcb..18db0f3d 100644
--- a/packages/widget_toolkit_pin/lib/widget_toolkit_pin.dart
+++ b/packages/widget_toolkit_pin/lib/widget_toolkit_pin.dart
@@ -2,6 +2,7 @@ library widget_toolkit_pin;
 
 export 'src/base/utils/theme/pin_code_theme.dart';
 export 'src/lib_pin_code_with_biometrics/blocs/pin_code_bloc.dart';
+export 'src/lib_pin_code_with_biometrics/data_source/pin_biometrics_auth_data_source.dart';
 export 'src/lib_pin_code_with_biometrics/services/pin_code_service.dart';
 export 'src/lib_pin_code_with_biometrics/ui_components/pin_code_custom_key.dart';
 export 'src/lib_pin_code_with_biometrics/ui_components/pin_code_keyboard.dart';