diff --git a/composer.json b/composer.json
index 9f8d32b..5fa1275 100644
--- a/composer.json
+++ b/composer.json
@@ -135,6 +135,7 @@
         "drupal/seckit": "^2.0",
         "drupal/select_or_other": "^4.0",
         "drupal/shield": "^1.4",
+        "drupal/simple_sitemap": "^4.1",
         "drupal/smart_date": "^4.0",
         "drupal/sms": "^2.0",
         "drupal/social_post_facebook": "3.0.x-dev@dev",