diff --git a/oliveskspaces.libraries.yml b/oliveskspaces.libraries.yml
index 0060845..f1bfcca 100755
--- a/oliveskspaces.libraries.yml
+++ b/oliveskspaces.libraries.yml
@@ -80,6 +80,9 @@ mirador-mods:
   version: VERSION
   js:
     js/mirador-mods.js: {}
+  dependencies:
+    - core/drupal
+    - core/once
 
 color-picker:
   version: VERSION