diff --git a/jenkins-config/clouds/openstack/cattle/queue-docker-4c-4g.cfg b/jenkins-config/clouds/openstack/cattle/queue-docker-4c-4g.cfg
index 74c3d79..1c76a49 100644
--- a/jenkins-config/clouds/openstack/cattle/queue-docker-4c-4g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/queue-docker-4c-4g.cfg
@@ -1,6 +1,6 @@
 IMAGE_NAME=Ubuntu 16.04 - docker - 20180101-1003
 LABELS=queue-docker-4c-4g
 HARDWARE_ID=v2-highcpu-4
-INSTANCE_CAP=2
+INSTANCE_CAP=1
 NUM_EXECUTORS=4
 RETENTION_TIME=240