diff --git a/netbox/extras/api/serializers.py b/netbox/extras/api/serializers.py
index 9637dc14d..c1fad99ee 100644
--- a/netbox/extras/api/serializers.py
+++ b/netbox/extras/api/serializers.py
@@ -454,7 +454,7 @@ class ConfigTemplateSerializer(TaggableModelSerializer, ValidatedModelSerializer
         required=False
     )
     data_file = NestedDataFileSerializer(
-        read_only=False
+        required=False
     )
 
     class Meta: