diff --git a/contentcuration/contentcuration/viewsets/file.py b/contentcuration/contentcuration/viewsets/file.py
index ab4a773df4..8b9b6e3233 100644
--- a/contentcuration/contentcuration/viewsets/file.py
+++ b/contentcuration/contentcuration/viewsets/file.py
@@ -13,6 +13,7 @@
 from contentcuration.models import generate_object_storage_name
 from contentcuration.models import generate_storage_url
 from contentcuration.utils.storage_common import get_presigned_upload_url
+from contentcuration.utils.user import calculate_user_storage
 from contentcuration.viewsets.base import BulkDeleteMixin
 from contentcuration.viewsets.base import BulkListSerializer
 from contentcuration.viewsets.base import BulkModelSerializer
@@ -48,6 +49,12 @@ class FileSerializer(BulkModelSerializer):
         queryset=AssessmentItem.objects.all(), required=False
     )
 
+    def update(self, instance, validated_data):
+        results = super(FileSerializer, self).update(instance, validated_data)
+        if instance.uploaded_by_id:
+            calculate_user_storage(instance.uploaded_by_id)
+        return results
+
     class Meta:
         model = File
         fields = (