diff --git a/config/rootfiles/core/106/exclude b/config/rootfiles/core/106/exclude
index 7ddeae0ba..1d8d74e21 100644
--- a/config/rootfiles/core/106/exclude
+++ b/config/rootfiles/core/106/exclude
@@ -23,6 +23,7 @@ var/ipfire/dma
 var/ipfire/time
 var/ipfire/ovpn
 var/lib/alternatives
+var/lib/unbound/root.key
 var/log/cache
 var/state/dhcp/dhcpd.leases
 var/updatecache