diff --git a/.zuul.yaml b/.zuul.yaml
index 9c0c641..176def2 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -43,7 +43,7 @@
         IRONIC_VM_COUNT: 1
         IRONIC_VM_EPHEMERAL_DISK: 1
         IRONIC_VM_LOG_DIR: '{{ devstack_base_dir }}/ironic-bm-logs'
-        IRONIC_VM_SPECS_RAM: 384
+        IRONIC_VM_SPECS_RAM: 512
         IRONIC_VM_SPECS_DISK: 4
         IRONIC_DEFAULT_DEPLOY_INTERFACE: iscsi
         Q_AGENT: openvswitch