diff --git a/devices/cranberrypi/config/usr/local/etc/unbound/unbound.conf b/devices/cranberrypi/config/usr/local/etc/unbound/unbound.conf
index 36f1bdb..3b5c8f5 100644
--- a/devices/cranberrypi/config/usr/local/etc/unbound/unbound.conf
+++ b/devices/cranberrypi/config/usr/local/etc/unbound/unbound.conf
@@ -12,6 +12,8 @@
     auto-trust-anchor-file: "/root.key"
     # send minimal amount of information to upstream servers to enhance privacy
     qname-minimisation: yes
+    prefetch: yes
+    serve-expired: yes
     # the interface that is used to connect to the network (this will listen to all interfaces)
     interface: 0.0.0.0
     # interface: ::0