diff --git a/etc/unbound/unbound.conf.d/ipv6.conf b/etc/unbound/unbound.conf.d/ipv6.conf
new file mode 100644
index 00000000..e97944d8
--- /dev/null
+++ b/etc/unbound/unbound.conf.d/ipv6.conf
@@ -0,0 +1,3 @@
+server:
+    # Prefer IPv6 transport for sending DNS queries to internet nameservers.
+    prefer-ip6: yes