diff --git a/zuul.d/ironic-inspector-jobs.yaml b/zuul.d/ironic-inspector-jobs.yaml
index cf4cada72..d8f09466f 100644
--- a/zuul.d/ironic-inspector-jobs.yaml
+++ b/zuul.d/ironic-inspector-jobs.yaml
@@ -24,6 +24,7 @@
       devstack_localrc:
         BUILD_TIMEOUT: 2400
         IRONIC_VM_EPHEMERAL_DISK: 0
+        IRONIC_VM_SPECS_CPU: 2
         IRONIC_AUTOMATED_CLEAN_ENABLED: False
         IRONIC_INSPECTOR_NODE_NOT_FOUND_HOOK: enroll
         IRONIC_INSPECTOR_CLEAN_UP_PERIOD: 5