diff --git a/lib/src/components/phone_input/phone_input.dart b/lib/src/components/phone_input/phone_input.dart
index ac347360..f0123ae4 100644
--- a/lib/src/components/phone_input/phone_input.dart
+++ b/lib/src/components/phone_input/phone_input.dart
@@ -1,3 +1,4 @@
+import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
diff --git a/lib/src/components/select_input/select_input.dart b/lib/src/components/select_input/select_input.dart
index 1b409290..b371d920 100644
--- a/lib/src/components/select_input/select_input.dart
+++ b/lib/src/components/select_input/select_input.dart
@@ -1,3 +1,4 @@
+import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
diff --git a/lib/src/utils/extensions.dart b/lib/src/utils/extensions.dart
index 3b4d5a45..77dc6bcc 100644
--- a/lib/src/utils/extensions.dart
+++ b/lib/src/utils/extensions.dart
@@ -101,14 +101,3 @@ extension StringExtensions on String? {
     return '${this![0].toUpperCase()}${this!.substring(1).toLowerCase()}';
   }
 }
-
-/// Extension [FirstWhereOrNull] on [Iterable].
-extension FirstWhereOrNull<T> on Iterable<T> {
-  /// Returns the first element satisfying test, or null if there are none.
-  T? firstWhereOrNull(bool Function(T element) test) {
-    for (final element in this) {
-      if (test(element)) return element;
-    }
-    return null;
-  }
-}
diff --git a/pubspec.yaml b/pubspec.yaml
index 1026f59f..93adce35 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -21,6 +21,7 @@ environment:
   flutter: ">=3.16.0"
 
 dependencies:
+  collection: ^1.18.0
   flutter:
     sdk: flutter
   flutter_slidable: ^3.1.0