diff --git a/etc/openstack_deploy/openstack_environment.yml b/etc/openstack_deploy/openstack_environment.yml
index f3350c91f5..a13a1916b3 100644
--- a/etc/openstack_deploy/openstack_environment.yml
+++ b/etc/openstack_deploy/openstack_environment.yml
@@ -159,6 +159,7 @@ container_skel:
     properties:
       service_name: glance
       container_release: trusty
+      container_fs_size: 12G
   heat_apis_container:
     belongs_to:
       - infra_containers