diff --git a/.zuul.yaml b/.zuul.yaml
index 077a991c..a912f7fb 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -21,6 +21,7 @@
       - openstack/tempest
     vars:
       tempest_concurrency: 4
+      configure_swap_size: 8192
       tox_envlist: full
       devstack_plugins:
         neutron: https://opendev.org/openstack/neutron.git