diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 83ae2bc..f563fbb 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -123,6 +123,9 @@ jobs:
           composer --no-interaction --working-dir=drupal config repositories.drupal composer https://packages.drupal.org/8
 
           composer --no-interaction --working-dir=drupal config --no-plugins allow-plugins.cweagans/composer-patches true
+          composer --no-interaction --working-dir=drupal config --no-plugins allow-plugins.zaporylie/composer-drupal-optimizations true
+          composer --no-interaction --working-dir=drupal config --no-plugins allow-plugins.simplesamlphp/composer-module-installer true
+
           # @see https://getcomposer.org/doc/03-cli.md#modifying-extra-values
           composer --no-interaction --working-dir=drupal config --no-plugins --json extra.enable-patching true
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9525df3..cd062e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ about writing changes to this log.
 
 ## [Unreleased]
 
+## [2.0.2]
+
+- Added `OS2Forms Attachment` to attachments data.
+
 ## [2.0.1]
 
 - Updated module config with new list submissions endpoint
@@ -28,7 +32,8 @@ about writing changes to this log.
 
 - Release 1.0.0
 
-[Unreleased]: https://github.com/OS2Forms/os2forms_rest_api/compare/2.0.1...HEAD
+[Unreleased]: https://github.com/OS2Forms/os2forms_rest_api/compare/2.0.2...HEAD
+[2.0.2]: https://github.com/OS2Forms/os2forms_rest_api/compare/2.0.1...2.0.2
 [2.0.1]: https://github.com/OS2Forms/os2forms_rest_api/compare/2.0.0...2.0.1
 [2.0.0]: https://github.com/OS2Forms/os2forms_rest_api/compare/1.1.0...2.0.0
 [1.1.0]: https://github.com/OS2Forms/os2forms_rest_api/compare/1.0.0...1.1.0
diff --git a/composer.json b/composer.json
index c101d69..acbd66c 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,8 @@
     "require": {
         "cweagans/composer-patches": "^1.7",
         "drupal/key_auth": "^2.0",
-        "drupal/webform_rest": "^4.0"
+        "drupal/webform_rest": "^4.1",
+        "os2forms/os2forms": "^3.13"
     },
     "require-dev": {
         "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
@@ -51,7 +52,9 @@
         "sort-packages": true,
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,
-            "cweagans/composer-patches": true
+            "cweagans/composer-patches": true,
+            "zaporylie/composer-drupal-optimizations": true,
+            "simplesamlphp/composer-module-installer": true
         }
     },
     "extra": {
diff --git a/os2forms_rest_api.info.yml b/os2forms_rest_api.info.yml
index 06a73f5..b8a32a0 100644
--- a/os2forms_rest_api.info.yml
+++ b/os2forms_rest_api.info.yml
@@ -7,3 +7,4 @@ dependencies:
   - drupal:key_auth
   - drupal:webform
   - drupal:webform_rest
+  - os2forms:os2forms_attachment
diff --git a/patches/webform_rest_submission.patch b/patches/webform_rest_submission.patch
index 0ee1fc3..bb881e5 100644
--- a/patches/webform_rest_submission.patch
+++ b/patches/webform_rest_submission.patch
@@ -57,7 +57,7 @@ index 0000000..c378f45
 +  }
 +}
 diff --git a/src/Plugin/rest/resource/WebformSubmissionResource.php b/src/Plugin/rest/resource/WebformSubmissionResource.php
-index d2e08c5..a9cacf7 100644
+index ebe22aa..4102129 100644
 --- a/src/Plugin/rest/resource/WebformSubmissionResource.php
 +++ b/src/Plugin/rest/resource/WebformSubmissionResource.php
 @@ -5,6 +5,7 @@ namespace Drupal\webform_rest\Plugin\rest\resource;
@@ -67,11 +67,11 @@ index d2e08c5..a9cacf7 100644
 +use Drupal\webform_rest\Event\WebformSubmissionDataEvent;
  use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
  use Symfony\Component\DependencyInjection\ContainerInterface;
- 
-@@ -35,6 +36,13 @@ class WebformSubmissionResource extends ResourceBase {
-    */
-   protected $request;
- 
+
+@@ -43,6 +44,13 @@ class WebformSubmissionResource extends ResourceBase {
+
+   protected $currentUser;
+
 +  /**
 +   * An event dispatcher instance to use for dispatching events.
 +   *
@@ -82,18 +82,18 @@ index d2e08c5..a9cacf7 100644
    /**
     * {@inheritdoc}
     */
-@@ -42,6 +50,7 @@ class WebformSubmissionResource extends ResourceBase {
-     $instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);
+@@ -51,6 +59,7 @@ class WebformSubmissionResource extends ResourceBase {
      $instance->entityTypeManager = $container->get('entity_type.manager');
      $instance->request = $container->get('request_stack');
+     $instance->currentUser = $container->get('current_user');
 +    $instance->eventDispatcher = $container->get('event_dispatcher');
      return $instance;
    }
- 
-@@ -91,9 +100,13 @@ class WebformSubmissionResource extends ResourceBase {
+
+@@ -110,9 +119,13 @@ class WebformSubmissionResource extends ResourceBase {
          // Grab submission data.
          $data = $webform_submission->getData();
- 
+
 +        // Dispatch WebformSubmissionDataEvent to allow modification of data.
 +        $event = new WebformSubmissionDataEvent($webform_submission, $data);
 +        $this->eventDispatcher->dispatch($event);
@@ -103,5 +103,5 @@ index d2e08c5..a9cacf7 100644
 -          'data' => $data,
 +          'data' => $event->getData(),
          ];
- 
+
          // Return the submission.
diff --git a/src/EventSubscriber/WebformSubmissionDataEventSubscriber.php b/src/EventSubscriber/WebformSubmissionDataEventSubscriber.php
index 5b35d92..291602b 100644
--- a/src/EventSubscriber/WebformSubmissionDataEventSubscriber.php
+++ b/src/EventSubscriber/WebformSubmissionDataEventSubscriber.php
@@ -4,6 +4,7 @@
 
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\file\FileInterface;
+use Drupal\os2forms_attachment\Element\AttachmentElement;
 use Drupal\webform\WebformInterface;
 use Drupal\webform\WebformSubmissionInterface;
 use Drupal\webform_entity_print_attachment\Element\WebformEntityPrintAttachment;
@@ -146,6 +147,14 @@ private function buildAttachments(WebformSubmissionInterface $submission, array
           'url' => $url->toString(TRUE)->getGeneratedUrl(),
         ];
       }
+      elseif ('os2forms_attachment' === $element['#type']) {
+        $url = AttachmentElement::getFileUrl($element, $submission);
+        $attachments[$key] = [
+          'name' => $element['#title'] ?? $name,
+          'type' => $element['#export_type'] ?? '',
+          'url' => $url->toString(TRUE)->getGeneratedUrl(),
+        ];
+      }
     }
 
     return $attachments;