diff --git a/library.json b/library.json
index cbafc0a..bfeb8bd 100644
--- a/library.json
+++ b/library.json
@@ -30,5 +30,12 @@
       "majorVersion": 1,
       "minorVersion": 0
     }
+  ],
+  "editorDependencies": [
+    {
+      "machineName": "H5PEditor.VerticalTabs",
+      "majorVersion": 1,
+      "minorVersion": 0
+    }
   ]
 }
diff --git a/semantics.json b/semantics.json
index 7859cfa..88d4450 100644
--- a/semantics.json
+++ b/semantics.json
@@ -37,6 +37,7 @@
     "name": "questions",
     "label": "Questions",
     "type": "list",
+    "widget": "verticalTabs",
     "min": 1,
     "entity": "question",
     "field": {