diff --git a/composer.json b/composer.json
index 6aad70c..7529d99 100644
--- a/composer.json
+++ b/composer.json
@@ -27,8 +27,9 @@
         "drupal/http_cache_control": "^1.0",
         "drupal/http_client_error_status": "^2.0",
         "drupal/indieweb": "1.x-dev",
+        "drupal/mailchimp": "1.x-dev",
         "drupal/mailsystem": "^4.3",
-        "drupal/markdown": "^2.0",
+        "drupal/markdown": "dev-2.x",
         "drupal/menu_trail_by_path": "^1.1",
         "drupal/migrate_plus": "^4.0",
         "drupal/migrate_tools": "^4.0",
@@ -50,11 +51,11 @@
         "drupal/upgrade_status": "^2.0",
         "drupal/viewsreference": "^2.0",
         "drupal/webform": "^6.0",
-        "drupal/mailchimp": "1.x-dev",
         "drupal/webform_mailchimp": "^5.4",
         "drupal/wysiwyg_linebreaks": "1.x-dev",
         "drush/drush": "^10.0",
         "drutopia/drutopia": "dev-update-to-drupal9",
+        "league/commonmark": "^1.5",
         "wikimedia/composer-merge-plugin": "^1.4",
         "zaporylie/composer-drupal-optimizations": "^1.0"
     },