diff --git a/.phpunit.result.cache b/.phpunit.result.cache
deleted file mode 100644
index 6a95248..0000000
--- a/.phpunit.result.cache
+++ /dev/null
@@ -1 +0,0 @@
-C:37:"PHPUnit\Runner\DefaultTestResultCache":1099:{a:2:{s:7:"defects";a:1:{s:89:"ProtoneMedia\LaravelVerifyNewEmail\Tests\VerifyNewEmailTest::it_can_generate_a_signed_url";i:4;}s:5:"times";a:7:{s:125:"ProtoneMedia\LaravelVerifyNewEmail\Tests\MustVerifyNewEmailTest::it_can_generate_a_token_and_mail_it_to_the_new_email_address";d:0.146;s:102:"ProtoneMedia\LaravelVerifyNewEmail\Tests\MustVerifyNewEmailTest::it_can_regenerate_a_token_and_mail_it";d:0.011;s:134:"ProtoneMedia\LaravelVerifyNewEmail\Tests\MustVerifyNewEmailTest::it_deletes_previous_attempts_of_the_user_trying_to_verify_a_new_email";d:0.01;s:126:"ProtoneMedia\LaravelVerifyNewEmail\Tests\VerifyNewEmailControllerTest::it_updates_the_user_email_and_deletes_the_pending_email";d:0.022;s:145:"ProtoneMedia\LaravelVerifyNewEmail\Tests\VerifyNewEmailControllerTest::it_removes_both_pending_models_if_two_users_try_to_verify_the_same_address";d:0.01;s:117:"ProtoneMedia\LaravelVerifyNewEmail\Tests\VerifyNewEmailControllerTest::it_throws_an_exception_if_the_token_is_invalid";d:0.012;s:89:"ProtoneMedia\LaravelVerifyNewEmail\Tests\VerifyNewEmailTest::it_can_generate_a_signed_url";d:0.086;}}}
\ No newline at end of file
diff --git a/config/config.php b/config/config.php
index e0b1d1a..26c7bd0 100644
--- a/config/config.php
+++ b/config/config.php
@@ -38,4 +38,9 @@
      * update its email address.
      */
     'mailable_for_new_email' => \ProtoneMedia\LaravelVerifyNewEmail\Mail\VerifyNewEmail::class,
+
+    /**
+     * The Mailable that will be sent when the User's email address has been updated.
+     */
+    'mailable_for_new_email_notification' => \ProtoneMedia\LaravelVerifyNewEmail\Mail\NotifyOldEmail::class,
 ];
diff --git a/resources/views/notifyOldEmail.blade.php b/resources/views/notifyOldEmail.blade.php
new file mode 100644
index 0000000..d2625b9
--- /dev/null
+++ b/resources/views/notifyOldEmail.blade.php
@@ -0,0 +1,8 @@
+@component('mail::message')
+# Your email address has been changed
+
+Your email address has been changed.
+
+Thanks,<br>
+{{ config('app.name') }}
+@endcomponent
\ No newline at end of file
diff --git a/src/Mail/NotifyOldEmail.php b/src/Mail/NotifyOldEmail.php
new file mode 100644
index 0000000..f24d858
--- /dev/null
+++ b/src/Mail/NotifyOldEmail.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace ProtoneMedia\LaravelVerifyNewEmail\Mail;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+class NotifyOldEmail extends Mailable implements ShouldQueue
+{
+    use Queueable, SerializesModels;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+    }
+
+    /**
+     * Build the message.
+     *
+     * @return $this
+     */
+    public function build()
+    {
+        $this->subject(__('Your email address has been changed'));
+
+        return $this->markdown('verify-new-email::notifyOldEmail');
+    }
+}
diff --git a/src/PendingUserEmail.php b/src/PendingUserEmail.php
index d333f0f..4cc9e51 100644
--- a/src/PendingUserEmail.php
+++ b/src/PendingUserEmail.php
@@ -5,6 +5,7 @@
 use Illuminate\Auth\Events\Verified;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Illuminate\Support\Facades\Mail;
 use Illuminate\Support\Facades\URL;
 use Illuminate\Support\Traits\Tappable;
 
@@ -58,6 +59,8 @@ public function activate()
 
         $dispatchEvent = !$user->hasVerifiedEmail() || $user->email !== $this->email;
 
+        $originalEmail = $user->email;
+
         $user->email = $this->email;
         $user->save();
         $user->markEmailAsVerified();
@@ -65,6 +68,8 @@ public function activate()
         static::whereEmail($this->email)->get()->each->delete();
 
         $dispatchEvent ? event(new Verified($user)) : null;
+
+        $this->sendNotificationToOldEmail($originalEmail);
     }
 
     /**
@@ -80,4 +85,19 @@ public function verificationUrl(): string
             ['token' => $this->token]
         );
     }
+
+    /**
+     * Send a notification to original email address regarding change of email address.
+     *
+     * @param string $originalEmail
+     * @return void
+     */
+    public function sendNotificationToOldEmail(string $originalEmail)
+    {
+        $mailableClass = config('verify-new-email.mailable_for_new_email_notification');
+
+        $mailable = new $mailableClass();
+
+        return Mail::to($originalEmail)->send($mailable);
+    }
 }
diff --git a/tests/MustVerifyNewEmailTest.php b/tests/MustVerifyNewEmailTest.php
index 2576f8c..fd78b07 100644
--- a/tests/MustVerifyNewEmailTest.php
+++ b/tests/MustVerifyNewEmailTest.php
@@ -5,6 +5,7 @@
 use Illuminate\Mail\Mailable;
 use Illuminate\Support\Facades\Mail;
 use ProtoneMedia\LaravelVerifyNewEmail\InvalidEmailVerificationModelException;
+use ProtoneMedia\LaravelVerifyNewEmail\Mail\NotifyOldEmail;
 use ProtoneMedia\LaravelVerifyNewEmail\Mail\VerifyFirstEmail;
 use ProtoneMedia\LaravelVerifyNewEmail\Mail\VerifyNewEmail;
 use ProtoneMedia\LaravelVerifyNewEmail\PendingUserEmail;
@@ -148,4 +149,21 @@ public function it_deletes_previous_attempts_of_the_user_trying_to_verify_a_new_
             'email' => 'new@example.com',
         ]);
     }
+
+    /** @test */
+    public function it_notifies_old_email_address_after_email_change()
+    {
+        Mail::fake();
+    
+        $user = $this->user();
+    
+        $user->email_verified_at = now();
+        $user->save();
+    
+        $model = $user->newEmail('new@example.com');
+
+        $model->activate();
+        
+        Mail::assertQueued(NotifyOldEmail::class);
+    }
 }