diff --git a/composer.json b/composer.json
index dabdb2a..0f06267 100644
--- a/composer.json
+++ b/composer.json
@@ -13,6 +13,7 @@
         "cweagans/composer-patches": "^1.0",
         "drupal-composer/drupal-scaffold": "^2.0.0",
         "drupal/antibot": "^1.2",
+        "drupal/ckeditorheight": "^1.3",
         "drupal/claro": "^1.0@alpha",
         "drupal/classitup": "dev-8.x-1.x as 1.x-dev",
         "drupal/comment_notify": "dev-1.x",