diff --git a/.zuul.yaml b/.zuul.yaml
index a897c440b..2bcd0885a 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -6,6 +6,13 @@
         DESIGNATE_SERVICE_PORT_DNS: 5322
         TEMPEST_PLUGINS: /opt/stack/designate-tempest-plugin
         USE_PYTHON3: true
+      devstack_local_conf:
+        post-config:
+          $DESIGNATE_CONF:
+            oslo_middleware:
+              # Make this larger than the defaults for the tempest tests
+              # on pinned releases
+              max_request_body_size: 1146880
       devstack_plugins:
         designate: https://opendev.org/openstack/designate
       devstack_services: