diff --git a/inventory/host_vars/buildvm-s390x-14.s390.fedoraproject.org b/inventory/host_vars/buildvm-s390x-14.s390.fedoraproject.org
index 67c836b28d..614d7c9ffb 100644
--- a/inventory/host_vars/buildvm-s390x-14.s390.fedoraproject.org
+++ b/inventory/host_vars/buildvm-s390x-14.s390.fedoraproject.org
@@ -10,6 +10,10 @@ lvm_size: 128000
 main_bridge: br0
 mem_size: 25600
 num_cpus: 3
+tcp_ports: [
+  # allow incoming varnish requests to varnish cache
+  80
+]
 varnish_group: s390kojipkgs
 virt_install_command: "{{ virt_install_command_s390x_one_nic }}"
 vmhost: bvmhost-s390x-01.s390.fedoraproject.org