diff --git a/certificate-tracking/README.md b/certificate-tracking/README.md
index 67acf93..02cc232 100644
--- a/certificate-tracking/README.md
+++ b/certificate-tracking/README.md
@@ -1 +1 @@
-docker stack deploy -c certificate-tracking.yml certificate-tracking
+docker stack deploy -c certificate-tracking.yml --with-registry-auth certificate-tracking