diff --git a/Makefile b/Makefile
index 8936489..7ad799e 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,9 @@ cosmos:
 upgrade:
 	fab upgrade
 
-db:
+db: global/overlay/etc/puppet/cosmos-db.yaml
+
+global/overlay/etc/puppet/cosmos-db.yaml: global/overlay/etc/puppet/cosmos-rules.yaml:
 	@python ./fabfile/db.py > global/overlay/etc/puppet/cosmos-db.yaml
 	@git add global/overlay/etc/puppet/cosmos-db.yaml && git commit -m "update db" global/overlay/etc/puppet/cosmos-db.yaml