diff --git a/builder/action.yml b/builder/action.yml
index c3e65d8..edfb519 100644
--- a/builder/action.yml
+++ b/builder/action.yml
@@ -16,6 +16,10 @@ inputs:
   sb_db_pem:
     description: 'secure_boot db pem to sign efi'
     required: false
+  api_auth_token:
+    description: 'api_auth_token if needed to download base images'
+    required: false
+
 #outputs:
 #  hashes:
 #    description: 'json dict of hashes of all files'