diff --git a/jenkins/jobs/devstack-gate.yaml b/jenkins/jobs/devstack-gate.yaml
index 9743af938c..bfdca9943b 100644
--- a/jenkins/jobs/devstack-gate.yaml
+++ b/jenkins/jobs/devstack-gate.yaml
@@ -862,10 +862,10 @@
           ironic-lib-from-source: 0
           ipxe-enabled: 1
           branch-override: '{branch-override}'
-          ramdisk-type: 'coreos'
+          ramdisk-type: 'tinyipa'
           gate-tempest-full: 1
-          bm-vm-ram: 1024
-          bm-vm-count: 1
+          bm-vm-ram: 384
+          bm-vm-count: 7
           multitenant-network: 0
 
     publishers: