diff --git a/theme.json b/theme.json
index ba92617..4b68d1d 100644
--- a/theme.json
+++ b/theme.json
@@ -9,7 +9,13 @@
     "scss/index.scss"
   ],
   "references": [
-    "widgetInstances.$.uuid:widgetInstanceUuid"
+    "values.containerBackgroundImage.id:mediaFile",
+    "values.textBackgroundImage.id:mediaFile",
+    "values.introBodyBackgroundImage.id:mediaFile",
+    "widgetInstances.$.uuid:widgetInstanceUuid",
+    "widgetInstances.$.values.containerBackgroundImage.id:mediaFile",
+    "widgetInstances.$.values.textBackgroundImage.id:mediaFile",
+    "widgetInstances.$.values.introBodyBackgroundImage.id:mediaFile"
   ],
   "settings": {
     "configuration": [