diff --git a/composer.json b/composer.json
index c095a1635..45bf66b17 100644
--- a/composer.json
+++ b/composer.json
@@ -31,6 +31,7 @@
         "drupal/adminimal_theme": "1.4",
         "drupal/bigmenu": "2.0.0-rc1",
         "drupal/chosen": "2.9.0",
+        "drupal/chosen_lib": "2.9.0",
         "drupal/components": "1.0.0",
         "drupal/config_filter": "1.5",
         "drupal/config_ignore": "2.1",