diff --git a/inventory/host_vars/openqa-x86-worker04.iad2.fedoraproject.org b/inventory/host_vars/openqa-x86-worker04.iad2.fedoraproject.org
index 4915bba27f..b120f34b5d 100644
--- a/inventory/host_vars/openqa-x86-worker04.iad2.fedoraproject.org
+++ b/inventory/host_vars/openqa-x86-worker04.iad2.fedoraproject.org
@@ -62,11 +62,11 @@ nrpe_procs_warn: 1400
 openqa_rngd: true
 openqa_tap_iface: em1
 # this is a powerful machine, can handle more openQA workers
-openqa_workers: 20
+openqa_workers: 30
 sudoers: "{{ private }}/files/sudo/qavirt-sudoers"
 # firewall ports for server->worker websockets connections
 # this port is 'QEMUPORT plus 1'
 # QEMUPORT is:
 # $ENV{QEMUPORT} = ($options{instance}) * 10 + 20002;
 # so for worker 1 it's 20012, for worker 2 it's 20022, etc etc
-tcp_ports: ['20013', '20023', '20033', '20043', '20053', '20063', '20073', '20083', '20093', '20103', '20113', '20123', '20133', '20143', '20153', '20163', '20173', '20183', '20193', '20203']
+tcp_ports: ['20013', '20023', '20033', '20043', '20053', '20063', '20073', '20083', '20093', '20103', '20113', '20123', '20133', '20143', '20153', '20163', '20173', '20183', '20193', '20203', '20213', '20223', '20233', '20243', '20253', '20263', '20273', '20283', '20293', '20303']