Add salt-formula-prometheus as a build-dep
diff --git a/debian/control b/debian/control
index d02a63d..ae5abdc 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@
 Section: admin
 Priority: optional
 Build-Depends: salt-master, python, python-yaml, debhelper (>= 9),
- salt-formula-linux
+ salt-formula-linux, salt-formula-prometheus
 Standards-Version: 3.9.6
 Homepage: https://wiki.openstack.org/wiki/OpenStackSalt
 Vcs-Browser: https://github.com/openstack/salt-formula-opencontrail