diff --git a/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml b/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml
index c641650098..6789ebced2 100644
--- a/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml
+++ b/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml
@@ -547,6 +547,7 @@
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_VIRT_DRIVER=ironic
           export DEVSTACK_GATE_SMOKE_SERIAL=1
+          export OS_TEST_TIMEOUT=1800
           export BRANCH_OVERRIDE={branch-override}
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then
               export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE