diff --git a/openstack/ironic/ironic.spec.j2 b/openstack/ironic/ironic.spec.j2
index b6d35fcb0..23a3cda82 100644
--- a/openstack/ironic/ironic.spec.j2
+++ b/openstack/ironic/ironic.spec.j2
@@ -29,6 +29,7 @@ BuildRequires:  {{ py3('WebOb') }}
 BuildRequires:  {{ py3('alembic') }}
 BuildRequires:  {{ py3('automaton') }}
 BuildRequires:  {{ py3('python-cinderclient') }}
+BuildRequires:  {{ py3('construct') }}
 BuildRequires:  {{ py3('ddt') }}
 BuildRequires:  {{ py3('eventlet') }}
 BuildRequires:  {{ py3('fixtures') }}
@@ -108,6 +109,7 @@ Requires:       {{ py3('WebOb') }}
 Requires:       {{ py3('alembic') }}
 Requires:       {{ py3('automaton') }}
 Requires:       {{ py3('python-cinderclient') }}
+Requires:       {{ py3('construct') }}
 Requires:       {{ py3('eventlet') }}
 Requires:       {{ py3('futurist') }}
 Requires:       {{ py3('python-glanceclient') }}