diff --git a/jenkins/jobs/ironic.yaml b/jenkins/jobs/ironic.yaml
index ad9b8c9796..9b37a858bb 100644
--- a/jenkins/jobs/ironic.yaml
+++ b/jenkins/jobs/ironic.yaml
@@ -107,6 +107,8 @@
               export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEPLOY_DRIVER_ISCSI_WITH_IPA=True"
               export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_RAMDISK_ELEMENT=ironic-agent"
               export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_BUILD_DEPLOY_RAMDISK=False"
+              # IPA requires at least 1 GiB of RAM
+              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1024"$'\n'"IRONIC_VM_COUNT=1"
           fi
 
           function post_test_hook {{