diff --git a/config/overlays/stsstack.yaml b/config/overlays/stsstack.yaml
index 78f1fa4..ad46f21 100644
--- a/config/overlays/stsstack.yaml
+++ b/config/overlays/stsstack.yaml
@@ -7,3 +7,6 @@ applications:
   keystone:
     options:
       admin-password: openstack
+  nagios:
+    options:
+      password: openstack