diff --git a/_config/config.yml b/_config/config.yml
index 1392002..a9ddb1f 100644
--- a/_config/config.yml
+++ b/_config/config.yml
@@ -3,6 +3,9 @@ Name: mimevalidator
 ---
 SilverStripe\MimeValidator\MimeUploadValidator:
   MimeTypes:
+    brf:
+      - 'text/plain'
+      - 'application/octet-stream'
     csv:
       - 'application/csv'
       - 'text/plain'